572878388 has 24 divisors (see below), whose sum is σ = 1079877120. Its totient is φ = 265145760.

The previous prime is 572878373. The next prime is 572878403. The reversal of 572878388 is 883878275.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (572878373) and next prime (572878403).

It is a congruent number.

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, 97583 + ... + 103286.

It is an arithmetic number, because the mean of its divisors is an integer number (44994880).

Almost surely, 2^572878388 is an apocalyptic number.

It is an amenable number.

572878388 is a deficient number, since it is larger than the sum of its proper divisors (506998732).

572878388 is a wasteful number, since it uses less digits than its factorization.

572878388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200927 (or 200925 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 56.

The square root of 572878388 is about 23934.8780652837. The cubic root of 572878388 is about 830.5277468169.

The spelling of 572878388 in words is "five hundred seventy-two million, eight hundred seventy-eight thousand, three hundred eighty-eight".