102774856 has 32 divisors (see below), whose sum is σ = 202901760. Its totient is φ = 48708352.

The previous prime is 102774839. The next prime is 102774883. The reversal of 102774856 is 658477201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18321 + ... + 23263.

It is an arithmetic number, because the mean of its divisors is an integer number (6340680).

Almost surely, 2^102774856 is an apocalyptic number.

It is an amenable number.

102774856 is a deficient number, since it is larger than the sum of its proper divisors (100126904).

102774856 is a wasteful number, since it uses less digits than its factorization.

102774856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 5081 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 102774856 is about 10137.7934482805. The cubic root of 102774856 is about 468.4130208356.

The spelling of 102774856 in words is "one hundred two million, seven hundred seventy-four thousand, eight hundred fifty-six".