99717392400 has 240 divisors, whose sum is σ = 336276441216. Its totient is φ = 25209282560.

The previous prime is 99717392399. The next prime is 99717392479. The reversal of 99717392400 is 429371799.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3102814 + ... + 3134786.

Almost surely, 2^99717392400 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 99717392400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168138220608).

99717392400 is an abundant number, since it is smaller than the sum of its proper divisors (236559048816).

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

99717392400 is a wasteful number, since it uses less digits than its factorization.

99717392400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32130 (or 32119 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 99717392400 in words is "ninety-nine billion, seven hundred seventeen million, three hundred ninety-two thousand, four hundred".