577631986992 has 80 divisors (see below), whose sum is σ = 1755548218080. Its totient is φ = 181217875968.

The previous prime is 577631986963. The next prime is 577631987003. The reversal of 577631986992 is 299689136775.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 577631986992.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39319453 + ... + 39334140.

It is an arithmetic number, because the mean of its divisors is an integer number (21944352726).

Almost surely, 2^577631986992 is an apocalyptic number.

It is an amenable number.

577631986992 is an abundant number, since it is smaller than the sum of its proper divisors (1177916231088).

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

577631986992 is a wasteful number, since it uses less digits than its factorization.

577631986992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78653627 (or 78653615 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 72.

The spelling of 577631986992 in words is "five hundred seventy-seven billion, six hundred thirty-one million, nine hundred eighty-six thousand, nine hundred ninety-two".