99600790990 has 64 divisors (see below), whose sum is σ = 189130443264. Its totient is φ = 37724151168.

The previous prime is 99600790973. The next prime is 99600790997. The reversal of 99600790990 is 9909700699.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99600790997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2033367 + ... + 2081773.

It is an arithmetic number, because the mean of its divisors is an integer number (2955163176).

Almost surely, 2^99600790990 is an apocalyptic number.

99600790990 is a deficient number, since it is larger than the sum of its proper divisors (89529652274).

99600790990 is a wasteful number, since it uses less digits than its factorization.

99600790990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48601.

The product of its (nonzero) digits is 2480058, while the sum is 58.

The spelling of 99600790990 in words is "ninety-nine billion, six hundred million, seven hundred ninety thousand, nine hundred ninety".