90874667 has 4 divisors (see below), whose sum is σ = 97865040. Its totient is φ = 83884296.

The previous prime is 90874643. The next prime is 90874681. The reversal of 90874667 is 76647809.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90874667 - 2¹⁸ = 90612523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90874697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3495167 + ... + 3495192.

It is an arithmetic number, because the mean of its divisors is an integer number (24466260).

Almost surely, 2^90874667 is an apocalyptic number.

90874667 is a deficient number, since it is larger than the sum of its proper divisors (6990373).

90874667 is a wasteful number, since it uses less digits than its factorization.

90874667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990372.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 90874667 is about 9532.8205165103. The cubic root of 90874667 is about 449.5875513027.

The spelling of 90874667 in words is "ninety million, eight hundred seventy-four thousand, six hundred sixty-seven".