90477285 has 16 divisors (see below), whose sum is σ = 151058304. Its totient is φ = 46156352.

The previous prime is 90477263. The next prime is 90477287. The reversal of 90477285 is 58277409.

It is a cyclic number.

It is not a de Polignac number, because 90477285 - 2⁵ = 90477253 is a prime.

It is a super-2 number, since 2×90477285² = 16372278201942450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90477287) 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, 130782 + ... + 131471.

It is an arithmetic number, because the mean of its divisors is an integer number (9441144).

Almost surely, 2^90477285 is an apocalyptic number.

It is an amenable number.

90477285 is a deficient number, since it is larger than the sum of its proper divisors (60581019).

90477285 is a wasteful number, since it uses less digits than its factorization.

90477285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262284.

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

The square root of 90477285 is about 9511.9548464025. The cubic root of 90477285 is about 448.9312662746.

The spelling of 90477285 in words is "ninety million, four hundred seventy-seven thousand, two hundred eighty-five".