842579580 has 48 divisors (see below), whose sum is σ = 2397909024. Its totient is φ = 221003520.

The previous prime is 842579557. The next prime is 842579581. The reversal of 842579580 is 85975248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842579581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111447 + ... + 118766.

It is an arithmetic number, because the mean of its divisors is an integer number (49956438).

Almost surely, 2^842579580 is an apocalyptic number.

It is an amenable number.

842579580 is an abundant number, since it is smaller than the sum of its proper divisors (1555329444).

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

842579580 is a wasteful number, since it uses less digits than its factorization.

842579580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230286 (or 230284 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 842579580 is about 29027.2213620250. The cubic root of 842579580 is about 944.5036558135.

The spelling of 842579580 in words is "eight hundred forty-two million, five hundred seventy-nine thousand, five hundred eighty".