90539839586 has 16 divisors (see below), whose sum is σ = 160563263040. Its totient is φ = 37464761040.

The previous prime is 90539839571. The next prime is 90539839619. The reversal of 90539839586 is 68593893509.

It is a super-2 number, since 2×90539839586² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111501860 + ... + 111502671.

It is an arithmetic number, because the mean of its divisors is an integer number (10035203940).

Almost surely, 2^90539839586 is an apocalyptic number.

90539839586 is a deficient number, since it is larger than the sum of its proper divisors (70023423454).

90539839586 is a wasteful number, since it uses less digits than its factorization.

90539839586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223004569.

The product of its (nonzero) digits is 62985600, while the sum is 65.

The spelling of 90539839586 in words is "ninety billion, five hundred thirty-nine million, eight hundred thirty-nine thousand, five hundred eighty-six".