90518086 has 8 divisors (see below), whose sum is σ = 136136520. Its totient is φ = 45139248.

The previous prime is 90518063. The next prime is 90518111. The reversal of 90518086 is 68081509.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58951 + ... + 60466.

It is an arithmetic number, because the mean of its divisors is an integer number (17017065).

Almost surely, 2^90518086 is an apocalyptic number.

90518086 is the 5086-th centered heptagonal number.

90518086 is a deficient number, since it is larger than the sum of its proper divisors (45618434).

90518086 is a wasteful number, since it uses less digits than its factorization.

90518086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119798.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 90518086 is about 9514.0993267886. The cubic root of 90518086 is about 448.9987384286.

The spelling of 90518086 in words is "ninety million, five hundred eighteen thousand, eighty-six".