90233398397 has 8 divisors (see below), whose sum is σ = 93149021952. Its totient is φ = 87318079200.

The previous prime is 90233398393. The next prime is 90233398399. The reversal of 90233398397 is 79389333209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90233398397 - 2² = 90233398393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90233398393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630818 + ... + 760524.

It is an arithmetic number, because the mean of its divisors is an integer number (11643627744).

Almost surely, 2^90233398397 is an apocalyptic number.

It is an amenable number.

90233398397 is a deficient number, since it is larger than the sum of its proper divisors (2915623555).

90233398397 is a wasteful number, since it uses less digits than its factorization.

90233398397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152179.

The product of its (nonzero) digits is 6613488, while the sum is 56.

The spelling of 90233398397 in words is "ninety billion, two hundred thirty-three million, three hundred ninety-eight thousand, three hundred ninety-seven".