472879881 has 12 divisors (see below), whose sum is σ = 683271108. Its totient is φ = 315150624.

The previous prime is 472879877. The next prime is 472879889. The reversal of 472879881 is 188978274.

It is a happy number.

472879881 is a `hidden beast` number, since 472 + 8 + 7 + 98 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 412739856 + 60140025 = 20316^2 + 7755^2 .

It is not a de Polignac number, because 472879881 - 2² = 472879877 is a prime.

It is a super-2 number, since 2×472879881² = 447230763709148322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472879889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29571 + ... + 42663.

It is an arithmetic number, because the mean of its divisors is an integer number (56939259).

Almost surely, 2^472879881 is an apocalyptic number.

It is an amenable number.

472879881 is a deficient number, since it is larger than the sum of its proper divisors (210391227).

472879881 is a wasteful number, since it uses less digits than its factorization.

472879881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17112 (or 17109 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 472879881 is about 21745.8014568330. The cubic root of 472879881 is about 779.0827926811.

The spelling of 472879881 in words is "four hundred seventy-two million, eight hundred seventy-nine thousand, eight hundred eighty-one".