775688896 has 28 divisors (see below), whose sum is σ = 1540288512. Its totient is φ = 387584768.

The previous prime is 775688887. The next prime is 775688909. The reversal of 775688896 is 698886577.

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 123201 + ... + 129343.

It is an arithmetic number, because the mean of its divisors is an integer number (55010304).

Almost surely, 2^775688896 is an apocalyptic number.

It is an amenable number.

775688896 is a deficient number, since it is larger than the sum of its proper divisors (764599616).

775688896 is a wasteful number, since it uses less digits than its factorization.

775688896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128 (or 8118 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 64.

The square root of 775688896 is about 27851.1920032159. The cubic root of 775688896 is about 918.8173587772.

The spelling of 775688896 in words is "seven hundred seventy-five million, six hundred eighty-eight thousand, eight hundred ninety-six".