9788916790 has 16 divisors (see below), whose sum is σ = 17622766368. Its totient is φ = 3914963136.

The previous prime is 9788916773. The next prime is 9788916833. The reversal of 9788916790 is 976198879.

It is a congruent number.

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, 4122 + ... + 139981.

It is an arithmetic number, because the mean of its divisors is an integer number (1101422898).

Almost surely, 2^9788916790 is an apocalyptic number.

9788916790 is a deficient number, since it is larger than the sum of its proper divisors (7833849578).

9788916790 is a wasteful number, since it uses less digits than its factorization.

9788916790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150903.

The product of its (nonzero) digits is 13716864, while the sum is 64.

The square root of 9788916790 is about 98938.9548661193. The cubic root of 9788916790 is about 2139.1679292035.

The spelling of 9788916790 in words is "nine billion, seven hundred eighty-eight million, nine hundred sixteen thousand, seven hundred ninety".