577872861 has 16 divisors (see below), whose sum is σ = 806188416. Its totient is φ = 367494336.

The previous prime is 577872839. The next prime is 577872863. The reversal of 577872861 is 168278775.

It is not a de Polignac number, because 577872861 - 2¹⁷ = 577741789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577872863) 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, 14511 + ... + 36963.

It is an arithmetic number, because the mean of its divisors is an integer number (50386776).

Almost surely, 2^577872861 is an apocalyptic number.

It is an amenable number.

577872861 is a deficient number, since it is larger than the sum of its proper divisors (228315555).

577872861 is a wasteful number, since it uses less digits than its factorization.

577872861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22852.

The product of its digits is 1317120, while the sum is 51.

The square root of 577872861 is about 24038.9862723036. The cubic root of 577872861 is about 832.9343378291.

The spelling of 577872861 in words is "five hundred seventy-seven million, eight hundred seventy-two thousand, eight hundred sixty-one".