9977520600 has 96 divisors (see below), whose sum is σ = 34367034000. Its totient is φ = 2660670720.

The previous prime is 9977520599. The next prime is 9977520607. The reversal of 9977520600 is 60257799.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977520607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 918445 + ... + 929244.

Almost surely, 2^9977520600 is an apocalyptic number.

9977520600 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9977520600 is an abundant number, since it is smaller than the sum of its proper divisors (24389513400).

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

9977520600 is a wasteful number, since it uses less digits than its factorization.

9977520600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847714 (or 1847699 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 9977520600 is about 99887.5397634760. The cubic root of 9977520600 is about 2152.8191322284.

The spelling of 9977520600 in words is "nine billion, nine hundred seventy-seven million, five hundred twenty thousand, six hundred".