90931356967 has 32 divisors (see below), whose sum is σ = 111293913600. Its totient is φ = 73218816000.

The previous prime is 90931356961. The next prime is 90931356983. The reversal of 90931356967 is 76965313909.

It is not a de Polignac number, because 90931356967 - 2¹⁹ = 90930832679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90931356961) 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, 451759 + ... + 621247.

It is an arithmetic number, because the mean of its divisors is an integer number (3477934800).

Almost surely, 2^90931356967 is an apocalyptic number.

90931356967 is a deficient number, since it is larger than the sum of its proper divisors (20362556633).

90931356967 is a wasteful number, since it uses less digits than its factorization.

90931356967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169687.

The product of its (nonzero) digits is 8266860, while the sum is 58.

The spelling of 90931356967 in words is "ninety billion, nine hundred thirty-one million, three hundred fifty-six thousand, nine hundred sixty-seven".