477871761 has 16 divisors (see below), whose sum is σ = 661144064. Its totient is φ = 306768384.

The previous prime is 477871697. The next prime is 477871763. The reversal of 477871761 is 167178774.

It is not a de Polignac number, because 477871761 - 2⁶ = 477871697 is a prime.

It is a super-2 number, since 2×477871761² = 456722839922482242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477871761.

It is not an unprimeable number, because it can be changed into a prime (477871763) 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, 11425 + ... + 32958.

It is an arithmetic number, because the mean of its divisors is an integer number (41321504).

Almost surely, 2^477871761 is an apocalyptic number.

It is an amenable number.

477871761 is a deficient number, since it is larger than the sum of its proper divisors (183272303).

477871761 is a wasteful number, since it uses less digits than its factorization.

477871761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44520.

The product of its digits is 460992, while the sum is 48.

The square root of 477871761 is about 21860.2781546805. The cubic root of 477871761 is about 781.8146229131.

The spelling of 477871761 in words is "four hundred seventy-seven million, eight hundred seventy-one thousand, seven hundred sixty-one".