9904927757816 has 32 divisors (see below), whose sum is σ = 22857525596640. Its totient is φ = 3918432958848.

The previous prime is 9904927757773. The next prime is 9904927757831. The reversal of 9904927757816 is 6187577294099.

It is a happy number.

It is a hoax number, since the sum of its digits (74) coincides with the sum of the digits of its distinct prime factors.

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, 6802834271 + ... + 6802835726.

It is an arithmetic number, because the mean of its divisors is an integer number (714297674895).

Almost surely, 2^{9904927757816} is an apocalyptic number.

It is an amenable number.

9904927757816 is an abundant number, since it is smaller than the sum of its proper divisors (12952597838824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9904927757816 is a wasteful number, since it uses less digits than its factorization.

9904927757816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13605670023 (or 13605670019 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 74.

The spelling of 9904927757816 in words is "nine trillion, nine hundred four billion, nine hundred twenty-seven million, seven hundred fifty-seven thousand, eight hundred sixteen".