77109896 has 16 divisors (see below), whose sum is σ = 149245440. Its totient is φ = 37311120.

The previous prime is 77109881. The next prime is 77109931. The reversal of 77109896 is 69890177.

It is a super-2 number, since 2×77109896² = 11891872122261632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77109896.

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, 155216 + ... + 155711.

It is an arithmetic number, because the mean of its divisors is an integer number (9327840).

Almost surely, 2^77109896 is an apocalyptic number.

It is an amenable number.

77109896 is a deficient number, since it is larger than the sum of its proper divisors (72135544).

77109896 is a wasteful number, since it uses less digits than its factorization.

77109896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310964 (or 310960 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 77109896 is about 8781.2240604599. The cubic root of 77109896 is about 425.6343854716.

The spelling of 77109896 in words is "seventy-seven million, one hundred nine thousand, eight hundred ninety-six".