99579140976 has 320 divisors, whose sum is σ = 319929523200. Its totient is φ = 26038763520.

The previous prime is 99579140971. The next prime is 99579141019. The reversal of 99579140976 is 67904197599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99579140971) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 105151735 + ... + 105152681.

It is an arithmetic number, because the mean of its divisors is an integer number (999779760).

Almost surely, 2^99579140976 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 99579140976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159964761600).

99579140976 is an abundant number, since it is smaller than the sum of its proper divisors (220350382224).

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

99579140976 is a wasteful number, since it uses less digits than its factorization.

99579140976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 38578680, while the sum is 66.

The spelling of 99579140976 in words is "ninety-nine billion, five hundred seventy-nine million, one hundred forty thousand, nine hundred seventy-six".