860727840 has 96 divisors (see below), whose sum is σ = 3098632320. Its totient is φ = 196737024.

The previous prime is 860727839. The next prime is 860727841. The reversal of 860727840 is 48727068.

It is an interprime number because it is at equal distance from previous prime (860727839) and next prime (860727841).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 860727792 and 860727801.

It is not an unprimeable number, because it can be changed into a prime (860727841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124725 + ... + 131444.

It is an arithmetic number, because the mean of its divisors is an integer number (32277420).

Almost surely, 2^860727840 is an apocalyptic number.

860727840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

860727840 is an abundant number, since it is smaller than the sum of its proper divisors (2237904480).

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

860727840 is a wasteful number, since it uses less digits than its factorization.

860727840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256194 (or 256186 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 860727840 is about 29338.1635417079. The cubic root of 860727840 is about 951.2367419929.

The spelling of 860727840 in words is "eight hundred sixty million, seven hundred twenty-seven thousand, eight hundred forty".