90880776 has 96 divisors (see below), whose sum is σ = 297872640. Its totient is φ = 24436224.

The previous prime is 90880753. The next prime is 90880787. The reversal of 90880776 is 67708809.

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 23 ways as a sum of consecutive naturals, for example, 3265 + ... + 13871.

It is an arithmetic number, because the mean of its divisors is an integer number (3102840).

Almost surely, 2^90880776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90880776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148936320).

90880776 is an abundant number, since it is smaller than the sum of its proper divisors (206991864).

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

90880776 is a wasteful number, since it uses less digits than its factorization.

90880776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643 (or 10636 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 90880776 is about 9533.1409304594. The cubic root of 90880776 is about 449.5976255030.

The spelling of 90880776 in words is "ninety million, eight hundred eighty thousand, seven hundred seventy-six".