577968867 has 72 divisors (see below), whose sum is σ = 1019046912. Its totient is φ = 314344800.

The previous prime is 577968821. The next prime is 577968893. The reversal of 577968867 is 768869775.

577968867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 577968867 - 2⁶ = 577968803 is a prime.

It is a super-2 number, since 2×577968867² = 668096022442527378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577968067) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 915642 + ... + 916272.

Almost surely, 2^577968867 is an apocalyptic number.

577968867 is a deficient number, since it is larger than the sum of its proper divisors (441078045).

577968867 is a wasteful number, since it uses less digits than its factorization.

577968867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 739 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The square root of 577968867 is about 24040.9830705818. The cubic root of 577968867 is about 832.9804623151.

The spelling of 577968867 in words is "five hundred seventy-seven million, nine hundred sixty-eight thousand, eight hundred sixty-seven".