90966863 has 16 divisors (see below), whose sum is σ = 102660096. Its totient is φ = 79976160.

The previous prime is 90966859. The next prime is 90966871. The reversal of 90966863 is 36866909.

It is a cyclic number.

It is not a de Polignac number, because 90966863 - 2² = 90966859 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 (90966263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91298 + ... + 92288.

It is an arithmetic number, because the mean of its divisors is an integer number (6416256).

Almost surely, 2^90966863 is an apocalyptic number.

90966863 is a deficient number, since it is larger than the sum of its proper divisors (11693233).

90966863 is a wasteful number, since it uses less digits than its factorization.

90966863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 90966863 is about 9537.6550052935. The cubic root of 90966863 is about 449.7395414576.

The spelling of 90966863 in words is "ninety million, nine hundred sixty-six thousand, eight hundred sixty-three".