577861641 has 16 divisors (see below), whose sum is σ = 978390400. Its totient is φ = 330206544.

The previous prime is 577861631. The next prime is 577861643. The reversal of 577861641 is 146168775.

It is not a de Polignac number, because 577861641 - 2⁹ = 577861129 is a prime.

It is a super-2 number, since 2×577861641² = 667848152278425762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (577861643) 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, 1528546 + ... + 1528923.

It is an arithmetic number, because the mean of its divisors is an integer number (61149400).

Almost surely, 2^577861641 is an apocalyptic number.

It is an amenable number.

577861641 is a deficient number, since it is larger than the sum of its proper divisors (400528759).

577861641 is a wasteful number, since it uses less digits than its factorization.

577861641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057485 (or 3057479 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 577861641 is about 24038.7529002650. The cubic root of 577861641 is about 832.9289470334.

The spelling of 577861641 in words is "five hundred seventy-seven million, eight hundred sixty-one thousand, six hundred forty-one".