90312113927 has 8 divisors (see below), whose sum is σ = 107701403136. Its totient is φ = 74044714392.

The previous prime is 90312113923. The next prime is 90312113951. The reversal of 90312113927 is 72931121309.

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 90312113927 - 2² = 90312113923 is a prime.

It is a super-2 number, since 2×90312113927² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90312113921) 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, 280472243 + ... + 280472564.

It is an arithmetic number, because the mean of its divisors is an integer number (13462675392).

Almost surely, 2^90312113927 is an apocalyptic number.

90312113927 is a deficient number, since it is larger than the sum of its proper divisors (17389289209).

90312113927 is a wasteful number, since it uses less digits than its factorization.

90312113927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560944837.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 90312113927 in words is "ninety billion, three hundred twelve million, one hundred thirteen thousand, nine hundred twenty-seven".