90782118 has 48 divisors (see below), whose sum is σ = 230289696. Its totient is φ = 25303680.

The previous prime is 90782101. The next prime is 90782123. The reversal of 90782118 is 81128709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3621 + ... + 13952.

It is an arithmetic number, because the mean of its divisors is an integer number (4797702).

Almost surely, 2^90782118 is an apocalyptic number.

90782118 is an abundant number, since it is smaller than the sum of its proper divisors (139507578).

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

90782118 is a wasteful number, since it uses less digits than its factorization.

90782118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17629 (or 17626 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 90782118 is about 9527.9650503137. The cubic root of 90782118 is about 449.4348757814.

The spelling of 90782118 in words is "ninety million, seven hundred eighty-two thousand, one hundred eighteen".