90663377 has 12 divisors (see below), whose sum is σ = 105762816. Its totient is φ = 77492520.

The previous prime is 90663359. The next prime is 90663389. The reversal of 90663377 is 77336609.

It is not a de Polignac number, because 90663377 - 2⁸ = 90663121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90663317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16352 + ... + 21182.

It is an arithmetic number, because the mean of its divisors is an integer number (8813568).

Almost surely, 2^90663377 is an apocalyptic number.

It is an amenable number.

90663377 is a deficient number, since it is larger than the sum of its proper divisors (15099439).

90663377 is a wasteful number, since it uses less digits than its factorization.

90663377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 41.

The square root of 90663377 is about 9521.7318277717. The cubic root of 90663377 is about 449.2388399981.

The spelling of 90663377 in words is "ninety million, six hundred sixty-three thousand, three hundred seventy-seven".