90113177 has 12 divisors (see below), whose sum is σ = 113201088. Its totient is φ = 70217400.

The previous prime is 90113173. The next prime is 90113189. The reversal of 90113177 is 77131109.

It is not a de Polignac number, because 90113177 - 2² = 90113173 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90113173) 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 11 ways as a sum of consecutive naturals, for example, 52349 + ... + 54042.

It is an arithmetic number, because the mean of its divisors is an integer number (9433424).

Almost surely, 2^90113177 is an apocalyptic number.

It is an amenable number.

90113177 is a deficient number, since it is larger than the sum of its proper divisors (23087911).

90113177 is a wasteful number, since it uses less digits than its factorization.

90113177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106420 (or 106409 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 90113177 is about 9492.7960580642. The cubic root of 90113177 is about 448.3282448378.

The spelling of 90113177 in words is "ninety million, one hundred thirteen thousand, one hundred seventy-seven".