90827920085 has 8 divisors (see below), whose sum is σ = 124564004736. Its totient is φ = 62282002320.

The previous prime is 90827920061. The next prime is 90827920097. The reversal of 90827920085 is 58002972809.

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

It is not a de Polignac number, because 90827920085 - 2¹⁴ = 90827903701 is a prime.

It is a super-2 number, since 2×90827920085² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297541681 + ... + 1297541750.

It is an arithmetic number, because the mean of its divisors is an integer number (15570500592).

Almost surely, 2^90827920085 is an apocalyptic number.

It is an amenable number.

90827920085 is a deficient number, since it is larger than the sum of its proper divisors (33736084651).

90827920085 is a wasteful number, since it uses less digits than its factorization.

90827920085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595083443.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 90827920085 in words is "ninety billion, eight hundred twenty-seven million, nine hundred twenty thousand, eighty-five".