90767249090 has 64 divisors (see below), whose sum is σ = 190134044928. Its totient is φ = 30553286400.

The previous prime is 90767249071. The next prime is 90767249101. The reversal of 90767249090 is 9094276709.

It is a happy number.

It is a super-2 number, since 2×90767249090² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2316260 + ... + 2355120.

It is an arithmetic number, because the mean of its divisors is an integer number (2970844452).

Almost surely, 2^90767249090 is an apocalyptic number.

90767249090 is an abundant number, since it is smaller than the sum of its proper divisors (99366795838).

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

90767249090 is a wasteful number, since it uses less digits than its factorization.

90767249090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39483.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 90767249090 in words is "ninety billion, seven hundred sixty-seven million, two hundred forty-nine thousand, ninety".