90977028 has 24 divisors (see below), whose sum is σ = 212589888. Its totient is φ = 30281376.

The previous prime is 90977027. The next prime is 90977041. The reversal of 90977028 is 82077909.

It is not an unprimeable number, because it can be changed into a prime (90977021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3625 + ... + 13967.

It is an arithmetic number, because the mean of its divisors is an integer number (8857912).

Almost surely, 2^90977028 is an apocalyptic number.

It is an amenable number.

90977028 is an abundant number, since it is smaller than the sum of its proper divisors (121612860).

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

90977028 is a wasteful number, since it uses less digits than its factorization.

90977028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083 (or 11081 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 90977028 is about 9538.1878782083. The cubic root of 90977028 is about 449.7562927302.

The spelling of 90977028 in words is "ninety million, nine hundred seventy-seven thousand, twenty-eight".