7860065850 has 288 divisors, whose sum is σ = 26957024640. Its totient is φ = 1658154240.

The previous prime is 7860065831. The next prime is 7860065861. The reversal of 7860065850 is 585600687.

7860065850 is a `hidden beast` number, since 7 + 8 + 60 + 0 + 6 + 585 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7860065796 and 7860065805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1102096 + ... + 1109204.

It is an arithmetic number, because the mean of its divisors is an integer number (93600780).

Almost surely, 2^7860065850 is an apocalyptic number.

7860065850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7860065850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13478512320).

7860065850 is an abundant number, since it is smaller than the sum of its proper divisors (19096958790).

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

7860065850 is a wasteful number, since it uses less digits than its factorization.

7860065850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 7860065850 is about 88657.0124130066. The cubic root of 7860065850 is about 1988.2701607606.

The spelling of 7860065850 in words is "seven billion, eight hundred sixty million, sixty-five thousand, eight hundred fifty".