90994331367 has 24 divisors (see below), whose sum is σ = 136915577344. Its totient is φ = 60390820728.

The previous prime is 90994331357. The next prime is 90994331387. The reversal of 90994331367 is 76313349909.

90994331367 is a `hidden beast` number, since 90 + 99 + 433 + 1 + 36 + 7 = 666.

It is not a de Polignac number, because 90994331367 - 2¹² = 90994327271 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 (90994331317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785413 + ... + 893790.

Almost surely, 2^90994331367 is an apocalyptic number.

90994331367 is a deficient number, since it is larger than the sum of its proper divisors (45921245977).

90994331367 is a wasteful number, since it uses less digits than its factorization.

90994331367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679441 (or 1679429 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 54.

The spelling of 90994331367 in words is "ninety billion, nine hundred ninety-four million, three hundred thirty-one thousand, three hundred sixty-seven".