99972703800 has 144 divisors (see below), whose sum is σ = 343549875240. Its totient is φ = 26039381760.

The previous prime is 99972703793. The next prime is 99972703829. The reversal of 99972703800 is 830727999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 568419 + ... + 723218.

Almost surely, 2^99972703800 is an apocalyptic number.

99972703800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99972703800 is an abundant number, since it is smaller than the sum of its proper divisors (243577171440).

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

99972703800 is a wasteful number, since it uses less digits than its factorization.

99972703800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291702 (or 1291690 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 99972703800 in words is "ninety-nine billion, nine hundred seventy-two million, seven hundred three thousand, eight hundred".