7861865696 has 24 divisors (see below), whose sum is σ = 16388522640. Its totient is φ = 3699701248.

The previous prime is 7861865689. The next prime is 7861865707. The reversal of 7861865696 is 6965681687.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7225436 + ... + 7226523.

It is an arithmetic number, because the mean of its divisors is an integer number (682855110).

Almost surely, 2^7861865696 is an apocalyptic number.

It is an amenable number.

7861865696 is an abundant number, since it is smaller than the sum of its proper divisors (8526656944).

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

7861865696 is a wasteful number, since it uses less digits than its factorization.

7861865696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14451986 (or 14451978 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The square root of 7861865696 is about 88667.1624447292. The cubic root of 7861865696 is about 1988.4219112696.

The spelling of 7861865696 in words is "seven billion, eight hundred sixty-one million, eight hundred sixty-five thousand, six hundred ninety-six".