577968869 has 16 divisors (see below), whose sum is σ = 611193600. Its totient is φ = 545702976.

The previous prime is 577968821. The next prime is 577968893. The reversal of 577968869 is 968869775.

577968869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-577968869 is a prime.

It is a super-2 number, since 2×577968869² = 668096027066278322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577968269) 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, 803492 + ... + 804210.

It is an arithmetic number, because the mean of its divisors is an integer number (38199600).

Almost surely, 2^577968869 is an apocalyptic number.

It is an amenable number.

577968869 is a deficient number, since it is larger than the sum of its proper divisors (33224731).

577968869 is a wasteful number, since it uses less digits than its factorization.

577968869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its digits is 45722880, while the sum is 65.

The square root of 577968869 is about 24040.9831121774. The cubic root of 577968869 is about 832.9804632759.

The spelling of 577968869 in words is "five hundred seventy-seven million, nine hundred sixty-eight thousand, eight hundred sixty-nine".