90988107 has 8 divisors (see below), whose sum is σ = 138648576. Its totient is φ = 51993192.

The previous prime is 90988087. The next prime is 90988111. The reversal of 90988107 is 70188909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90988107 - 2⁸ = 90987851 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90988127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166363 + ... + 2166404.

It is an arithmetic number, because the mean of its divisors is an integer number (17331072).

Almost surely, 2^90988107 is an apocalyptic number.

90988107 is a deficient number, since it is larger than the sum of its proper divisors (47660469).

90988107 is a wasteful number, since it uses less digits than its factorization.

90988107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332777.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 90988107 is about 9538.7686312228. The cubic root of 90988107 is about 449.7745487956.

It can be divided in two parts, 9098 and 8107, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 90988107 in words is "ninety million, nine hundred eighty-eight thousand, one hundred seven".