860625000000 has 770 divisors, whose sum is σ = 3376538016786. Its totient is φ = 216000000000.

The previous prime is 860624999999. The next prime is 860625000023. The reversal of 860625000000 is 526068.

860625000000 is a `hidden beast` number, since 8 + 606 + 2 + 50 + 0 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 11 ways, for example, as 24365961216 + 836259038784 = 156096^2 + 914472^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 12750 × 11250 × 6000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 109 ways as a sum of consecutive naturals, for example, 50624999992 + ... + 50625000008.

Almost surely, 2^860625000000 is an apocalyptic number.

860625000000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860625000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1688269008393).

860625000000 is an abundant number, since it is smaller than the sum of its proper divisors (2515913016786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

860625000000 is an frugal number, since it uses more digits than its factorization.

860625000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 860625000000 its reverse (526068), we get a palindrome (860625526068).

The spelling of 860625000000 in words is "eight hundred sixty billion, six hundred twenty-five million", and thus it is an aban number.