99290988576 has 144 divisors (see below), whose sum is σ = 320083021440. Its totient is φ = 28943101440.

The previous prime is 99290988571. The next prime is 99290988581. The reversal of 99290988576 is 67588909299.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99290988571) and next prime (99290988581).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (99290988571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626760 + ... + 769031.

It is an arithmetic number, because the mean of its divisors is an integer number (2222798760).

Almost surely, 2^99290988576 is an apocalyptic number.

99290988576 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

99290988576 is an abundant number, since it is smaller than the sum of its proper divisors (220792032864).

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

99290988576 is a wasteful number, since it uses less digits than its factorization.

99290988576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395839 (or 1395828 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 72.

The spelling of 99290988576 in words is "ninety-nine billion, two hundred ninety million, nine hundred eighty-eight thousand, five hundred seventy-six".