90570906417 has 16 divisors (see below), whose sum is σ = 121461120000. Its totient is φ = 60031114704.

The previous prime is 90570906403. The next prime is 90570906421. The reversal of 90570906417 is 71460907509.

It is a happy number.

It is not a de Polignac number, because 90570906417 - 2⁴ = 90570906401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90570906427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729934 + ... + 844952.

It is an arithmetic number, because the mean of its divisors is an integer number (7591320000).

Almost surely, 2^90570906417 is an apocalyptic number.

It is an amenable number.

90570906417 is a deficient number, since it is larger than the sum of its proper divisors (30890213583).

90570906417 is a wasteful number, since it uses less digits than its factorization.

90570906417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116540.

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 90570906417 in words is "ninety billion, five hundred seventy million, nine hundred six thousand, four hundred seventeen".