577997260 has 48 divisors (see below), whose sum is σ = 1266904800. Its totient is φ = 221225984.

The previous prime is 577997249. The next prime is 577997261. The reversal of 577997260 is 62799775.

It is a junction number, because it is equal to n+sod(n) for n = 577997198 and 577997207.

It is not an unprimeable number, because it can be changed into a prime (577997261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61131 + ... + 69949.

It is an arithmetic number, because the mean of its divisors is an integer number (26393850).

Almost surely, 2^577997260 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 577997260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633452400).

577997260 is an abundant number, since it is smaller than the sum of its proper divisors (688907540).

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

577997260 is a wasteful number, since it uses less digits than its factorization.

577997260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970 (or 8968 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 52.

The square root of 577997260 is about 24041.5735757874. The cubic root of 577997260 is about 832.9941022810.

The spelling of 577997260 in words is "five hundred seventy-seven million, nine hundred ninety-seven thousand, two hundred sixty".