90784668 has 24 divisors (see below), whose sum is σ = 228125968. Its totient is φ = 27933696.

The previous prime is 90784663. The next prime is 90784693. The reversal of 90784668 is 86648709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90784663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 290821 + ... + 291132.

Almost surely, 2^90784668 is an apocalyptic number.

It is an amenable number.

90784668 is an abundant number, since it is smaller than the sum of its proper divisors (137341300).

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

90784668 is a wasteful number, since it uses less digits than its factorization.

90784668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581973 (or 581971 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 90784668 is about 9528.0988659858. The cubic root of 90784668 is about 449.4390838356.

The spelling of 90784668 in words is "ninety million, seven hundred eighty-four thousand, six hundred sixty-eight".