99987374080 has 480 divisors, whose sum is σ = 284352550272. Its totient is φ = 33344716800.

The previous prime is 99987374033. The next prime is 99987374093. The reversal of 99987374080 is 8047378999.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934461387 + ... + 934461493.

Almost surely, 2^99987374080 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 99987374080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142176275136).

99987374080 is an abundant number, since it is smaller than the sum of its proper divisors (184365176192).

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

99987374080 is a wasteful number, since it uses less digits than its factorization.

99987374080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 99987374080 in words is "ninety-nine billion, nine hundred eighty-seven million, three hundred seventy-four thousand, eighty".