99291079794 has 32 divisors (see below), whose sum is σ = 202839240384. Its totient is φ = 32394435840.

The previous prime is 99291079793. The next prime is 99291079841. The reversal of 99291079794 is 49797019299.

It is not an unprimeable number, because it can be changed into a prime (99291079793) 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 15 ways as a sum of consecutive naturals, for example, 807859 + ... + 922614.

It is an arithmetic number, because the mean of its divisors is an integer number (6338726262).

Almost surely, 2^99291079794 is an apocalyptic number.

99291079794 is an abundant number, since it is smaller than the sum of its proper divisors (103548160590).

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

99291079794 is a wasteful number, since it uses less digits than its factorization.

99291079794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730682.

The product of its (nonzero) digits is 23147208, while the sum is 66.

The spelling of 99291079794 in words is "ninety-nine billion, two hundred ninety-one million, seventy-nine thousand, seven hundred ninety-four".