9904077788 has 48 divisors (see below), whose sum is σ = 19914854400. Its totient is φ = 4262359680.

The previous prime is 9904077739. The next prime is 9904077851. The reversal of 9904077788 is 8877704099.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244128 + ... + 2248536.

It is an arithmetic number, because the mean of its divisors is an integer number (414892800).

Almost surely, 2^9904077788 is an apocalyptic number.

It is an amenable number.

9904077788 is an abundant number, since it is smaller than the sum of its proper divisors (10010776612).

9904077788 is a wasteful number, since it uses less digits than its factorization.

9904077788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130 (or 7128 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 59.

The square root of 9904077788 is about 99519.2332566926. The cubic root of 9904077788 is about 2147.5239415250.

The spelling of 9904077788 in words is "nine billion, nine hundred four million, seventy-seven thousand, seven hundred eighty-eight".