785978696 has 16 divisors (see below), whose sum is σ = 1475442540. Its totient is φ = 392527360.

The previous prime is 785978693. The next prime is 785978729. The reversal of 785978696 is 696879587.

It can be written as a sum of positive squares in 2 ways, for example, as 661209796 + 124768900 = 25714^2 + 11170^2 .

It is not an unprimeable number, because it can be changed into a prime (785978693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50465 + ... + 64176.

Almost surely, 2^785978696 is an apocalyptic number.

It is an amenable number.

785978696 is a deficient number, since it is larger than the sum of its proper divisors (689463844).

785978696 is a wasteful number, since it uses less digits than its factorization.

785978696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115504 (or 115500 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 65.

The square root of 785978696 is about 28035.3115909205. The cubic root of 785978696 is about 922.8623424140.

The spelling of 785978696 in words is "seven hundred eighty-five million, nine hundred seventy-eight thousand, six hundred ninety-six".