9977288904 has 96 divisors (see below), whose sum is σ = 29539542240. Its totient is φ = 3017145600.

The previous prime is 9977288891. The next prime is 9977288917. The reversal of 9977288904 is 4098827799.

It is an interprime number because it is at equal distance from previous prime (9977288891) and next prime (9977288917).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376044 + ... + 401700.

It is an arithmetic number, because the mean of its divisors is an integer number (307703565).

Almost surely, 2^9977288904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9977288904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14769771120).

9977288904 is an abundant number, since it is smaller than the sum of its proper divisors (19562253336).

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

9977288904 is a wasteful number, since it uses less digits than its factorization.

9977288904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26171 (or 26164 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 9977288904 is about 99886.3799724467. The cubic root of 9977288904 is about 2152.8024679868.

The spelling of 9977288904 in words is "nine billion, nine hundred seventy-seven million, two hundred eighty-eight thousand, nine hundred four".