90023087 has 8 divisors (see below), whose sum is σ = 112236672. Its totient is φ = 70147800.

The previous prime is 90023077. The next prime is 90023099. The reversal of 90023087 is 78032009.

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

It is a cyclic number.

It is not a de Polignac number, because 90023087 - 2⁴ = 90023071 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 (90023057) 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, 584489 + ... + 584642.

It is an arithmetic number, because the mean of its divisors is an integer number (14029584).

Almost surely, 2^90023087 is an apocalyptic number.

90023087 is a deficient number, since it is larger than the sum of its proper divisors (22213585).

90023087 is a wasteful number, since it uses less digits than its factorization.

90023087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169149.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 90023087 is about 9488.0496942206. The cubic root of 90023087 is about 448.1787907097.

The spelling of 90023087 in words is "ninety million, twenty-three thousand, eighty-seven".