90700087464 has 96 divisors (see below), whose sum is σ = 280830551040. Its totient is φ = 25905801600.

The previous prime is 90700087453. The next prime is 90700087469. The reversal of 90700087464 is 46478000709.

It is not an unprimeable number, because it can be changed into a prime (90700087469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1595449 + ... + 1651319.

It is an arithmetic number, because the mean of its divisors is an integer number (2925318240).

Almost surely, 2^90700087464 is an apocalyptic number.

It is an amenable number.

90700087464 is an abundant number, since it is smaller than the sum of its proper divisors (190130463576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90700087464 is a wasteful number, since it uses less digits than its factorization.

90700087464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59111 (or 59104 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 90700087464 in words is "ninety billion, seven hundred million, eighty-seven thousand, four hundred sixty-four".