99290799072 has 72 divisors (see below), whose sum is σ = 294634673424. Its totient is φ = 31657933824.

The previous prime is 99290799067. The next prime is 99290799073. The reversal of 99290799072 is 27099709299.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×99290799072² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99290799073) 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 11 ways as a sum of consecutive naturals, for example, 7488153 + ... + 7501400.

It is an arithmetic number, because the mean of its divisors is an integer number (4092148242).

Almost surely, 2^99290799072 is an apocalyptic number.

99290799072 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99290799072 is an abundant number, since it is smaller than the sum of its proper divisors (195343874352).

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

99290799072 is a wasteful number, since it uses less digits than its factorization.

99290799072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989592 (or 14989581 counting only the distinct ones).

The product of its (nonzero) digits is 11573604, while the sum is 63.

The spelling of 99290799072 in words is "ninety-nine billion, two hundred ninety million, seven hundred ninety-nine thousand, seventy-two".