90416579 has 18 divisors (see below), whose sum is σ = 102458772. Its totient is φ = 79129200.

The previous prime is 90416563. The next prime is 90416587. The reversal of 90416579 is 97561409.

It is not a de Polignac number, because 90416579 - 2⁴ = 90416563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90416539) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1482209 + ... + 1482269.

It is an arithmetic number, because the mean of its divisors is an integer number (5692154).

Almost surely, 2^90416579 is an apocalyptic number.

90416579 is a deficient number, since it is larger than the sum of its proper divisors (12042193).

90416579 is an equidigital number, since it uses as much as digits as its factorization.

90416579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 90416579 is about 9508.7632739489. The cubic root of 90416579 is about 448.8308398937.

The spelling of 90416579 in words is "ninety million, four hundred sixteen thousand, five hundred seventy-nine".