475077881 has 4 divisors (see below), whose sum is σ = 500082000. Its totient is φ = 450073764.

The previous prime is 475077859. The next prime is 475077893. The reversal of 475077881 is 188770574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475077881 is a prime.

It is a super-2 number, since 2×475077881² = 451397986030900322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475077851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12502031 + ... + 12502068.

It is an arithmetic number, because the mean of its divisors is an integer number (125020500).

Almost surely, 2^475077881 is an apocalyptic number.

It is an amenable number.

475077881 is a deficient number, since it is larger than the sum of its proper divisors (25004119).

475077881 is a wasteful number, since it uses less digits than its factorization.

475077881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25004118.

The product of its (nonzero) digits is 439040, while the sum is 47.

The square root of 475077881 is about 21796.2813571490. The cubic root of 475077881 is about 780.2880160342.

The spelling of 475077881 in words is "four hundred seventy-five million, seventy-seven thousand, eight hundred eighty-one".