90957764 has 12 divisors (see below), whose sum is σ = 159390588. Its totient is φ = 45417600.

The previous prime is 90957707. The next prime is 90957767. The reversal of 90957764 is 46775909.

It can be written as a sum of positive squares in 2 ways, for example, as 3385600 + 87572164 = 1840^2 + 9358^2 .

It is not an unprimeable number, because it can be changed into a prime (90957767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11897 + ... + 17984.

It is an arithmetic number, because the mean of its divisors is an integer number (13282549).

Almost surely, 2^90957764 is an apocalyptic number.

It is an amenable number.

90957764 is a deficient number, since it is larger than the sum of its proper divisors (68432824).

90957764 is a wasteful number, since it uses less digits than its factorization.

90957764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30646 (or 30644 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 90957764 is about 9537.1779893216. The cubic root of 90957764 is about 449.7245458266.

The spelling of 90957764 in words is "ninety million, nine hundred fifty-seven thousand, seven hundred sixty-four".