99979335355392 has 176 divisors, whose sum is σ = 296114449458400. Its totient is φ = 33323740692480.

The previous prime is 99979335355379. The next prime is 99979335355409. The reversal of 99979335355392 is 29355353397999.

99979335355392 is a `hidden beast` number, since 9 + 9 + 9 + 7 + 9 + 3 + 3 + 53 + 553 + 9 + 2 = 666.

It is a super-3 number, since 3×99979335355392³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356214792 + ... + 356495352.

Almost surely, 2^{99979335355392} 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 99979335355392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148057224729200).

99979335355392 is an abundant number, since it is smaller than the sum of its proper divisors (196135114103008).

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

99979335355392 is a wasteful number, since it uses less digits than its factorization.

99979335355392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293479 (or 293455 counting only the distinct ones).

The product of its digits is 8370195750, while the sum is 81.

The spelling of 99979335355392 in words is "ninety-nine trillion, nine hundred seventy-nine billion, three hundred thirty-five million, three hundred fifty-five thousand, three hundred ninety-two".