90513590587 has 8 divisors (see below), whose sum is σ = 104753523200. Its totient is φ = 76601012904.

The previous prime is 90513590567. The next prime is 90513590597. The reversal of 90513590587 is 78509531509.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90513590587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90513590537) 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, 81838137 + ... + 81839242.

It is an arithmetic number, because the mean of its divisors is an integer number (13094190400).

Almost surely, 2^90513590587 is an apocalyptic number.

90513590587 is a deficient number, since it is larger than the sum of its proper divisors (14239932613).

90513590587 is a wasteful number, since it uses less digits than its factorization.

90513590587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163677465.

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 90513590587 in words is "ninety billion, five hundred thirteen million, five hundred ninety thousand, five hundred eighty-seven".