97990158 has 16 divisors (see below), whose sum is σ = 223977600. Its totient is φ = 27997176.

The previous prime is 97990133. The next prime is 97990177. The reversal of 97990158 is 85109979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166508 + ... + 1166591.

It is an arithmetic number, because the mean of its divisors is an integer number (13998600).

Almost surely, 2^97990158 is an apocalyptic number.

97990158 is an abundant number, since it is smaller than the sum of its proper divisors (125987442).

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

97990158 is a wasteful number, since it uses less digits than its factorization.

97990158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333111.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 97990158 is about 9898.9978280632. The cubic root of 97990158 is about 461.0281947048.

The spelling of 97990158 in words is "ninety-seven million, nine hundred ninety thousand, one hundred fifty-eight".