577311204820 has 48 divisors (see below), whose sum is σ = 1385799706368. Its totient is φ = 197899153920.

The previous prime is 577311204817. The next prime is 577311204851. The reversal of 577311204820 is 28402113775.

It is a congruent number.

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, 399489 + ... + 1146391.

It is an arithmetic number, because the mean of its divisors is an integer number (28870827216).

Almost surely, 2^577311204820 is an apocalyptic number.

It is an amenable number.

577311204820 is an abundant number, since it is smaller than the sum of its proper divisors (808488501548).

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

577311204820 is a wasteful number, since it uses less digits than its factorization.

577311204820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752440 (or 752438 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 577311204820 in words is "five hundred seventy-seven billion, three hundred eleven million, two hundred four thousand, eight hundred twenty".