577138242 has 16 divisors (see below), whose sum is σ = 1154917152. Its totient is φ = 192272640.

The previous prime is 577138231. The next prime is 577138267. The reversal of 577138242 is 242831775.

It is a self number, because there is not a number n which added to its sum of digits gives 577138242.

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 7 ways as a sum of consecutive naturals, for example, 14559 + ... + 36962.

It is an arithmetic number, because the mean of its divisors is an integer number (72182322).

Almost surely, 2^577138242 is an apocalyptic number.

577138242 is an abundant number, since it is smaller than the sum of its proper divisors (577778910).

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

577138242 is a wasteful number, since it uses less digits than its factorization.

577138242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53393.

The product of its digits is 94080, while the sum is 39.

The square root of 577138242 is about 24023.7016714744. The cubic root of 577138242 is about 832.5812331341.

The spelling of 577138242 in words is "five hundred seventy-seven million, one hundred thirty-eight thousand, two hundred forty-two".