474871881 has 24 divisors (see below), whose sum is σ = 712952352. Its totient is φ = 280772800.

The previous prime is 474871877. The next prime is 474871889. The reversal of 474871881 is 188178474.

It is not a de Polignac number, because 474871881 - 2² = 474871877 is a prime.

It is a super-2 number, since 2×474871881² = 451006606728956322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 474871881.

It is not an unprimeable number, because it can be changed into a prime (474871889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071 + ... + 30836.

It is an arithmetic number, because the mean of its divisors is an integer number (29706348).

Almost surely, 2^474871881 is an apocalyptic number.

474871881 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

474871881 is a deficient number, since it is larger than the sum of its proper divisors (238080471).

474871881 is a wasteful number, since it uses less digits than its factorization.

474871881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31973 (or 31962 counting only the distinct ones).

The product of its digits is 401408, while the sum is 48.

The square root of 474871881 is about 21791.5552680390. Note that the first 3 decimals coincide. The cubic root of 474871881 is about 780.1752186900.

The spelling of 474871881 in words is "four hundred seventy-four million, eight hundred seventy-one thousand, eight hundred eighty-one".