90457827 has 16 divisors (see below), whose sum is σ = 126567168. Its totient is φ = 57356640.

The previous prime is 90457819. The next prime is 90457889. The reversal of 90457827 is 72875409.

It is not a de Polignac number, because 90457827 - 2³ = 90457819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90457817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8868 + ... + 16110.

It is an arithmetic number, because the mean of its divisors is an integer number (7910448).

Almost surely, 2^90457827 is an apocalyptic number.

90457827 is a deficient number, since it is larger than the sum of its proper divisors (36109341).

90457827 is a wasteful number, since it uses less digits than its factorization.

90457827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 90457827 is about 9510.9319732611. The cubic root of 90457827 is about 448.8990816555.

The spelling of 90457827 in words is "ninety million, four hundred fifty-seven thousand, eight hundred twenty-seven".