577993020 has 96 divisors (see below), whose sum is σ = 1769838336. Its totient is φ = 139776000.

The previous prime is 577993001. The next prime is 577993033. The reversal of 577993020 is 20399775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360220 + ... + 361820.

It is an arithmetic number, because the mean of its divisors is an integer number (18435816).

Almost surely, 2^577993020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 577993020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884919168).

577993020 is an abundant number, since it is smaller than the sum of its proper divisors (1191845316).

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

577993020 is a wasteful number, since it uses less digits than its factorization.

577993020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 577993020 is about 24041.4853950416. The cubic root of 577993020 is about 832.9920654181.

The spelling of 577993020 in words is "five hundred seventy-seven million, nine hundred ninety-three thousand, twenty".