90088007 has 16 divisors (see below), whose sum is σ = 96690240. Its totient is φ = 83768832.

The previous prime is 90087997. The next prime is 90088021. The reversal of 90088007 is 70088009.

It is a cyclic number.

It is not a de Polignac number, because 90088007 - 2¹² = 90083911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90088027) 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, 120878 + ... + 121620.

It is an arithmetic number, because the mean of its divisors is an integer number (6043140).

Almost surely, 2^90088007 is an apocalyptic number.

90088007 is a deficient number, since it is larger than the sum of its proper divisors (6602233).

90088007 is a wasteful number, since it uses less digits than its factorization.

90088007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 90088007 is about 9491.4702233110. The cubic root of 90088007 is about 448.2864992867.

The spelling of 90088007 in words is "ninety million, eighty-eight thousand, seven".