90656776 has 48 divisors (see below), whose sum is σ = 198313920. Its totient is φ = 38052000.

The previous prime is 90656743. The next prime is 90656779. The reversal of 90656776 is 67765609.

It is not an unprimeable number, because it can be changed into a prime (90656779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600301 + ... + 600451.

It is an arithmetic number, because the mean of its divisors is an integer number (4131540).

Almost surely, 2^90656776 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 90656776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99156960).

90656776 is an abundant number, since it is smaller than the sum of its proper divisors (107657144).

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

90656776 is a wasteful number, since it uses less digits than its factorization.

90656776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 90656776 is about 9521.3851933424. The cubic root of 90656776 is about 449.2279370380.

The spelling of 90656776 in words is "ninety million, six hundred fifty-six thousand, seven hundred seventy-six".