472878855 has 24 divisors (see below), whose sum is σ = 820301040. Its totient is φ = 252003840.

The previous prime is 472878841. The next prime is 472878881. The reversal of 472878855 is 558878274.

It is not a de Polignac number, because 472878855 - 2⁴ = 472878839 is a prime.

It is a super-2 number, since 2×472878855² = 447228823012222050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67351 + ... + 74039.

It is an arithmetic number, because the mean of its divisors is an integer number (34179210).

Almost surely, 2^472878855 is an apocalyptic number.

472878855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

472878855 is a deficient number, since it is larger than the sum of its proper divisors (347422185).

472878855 is a wasteful number, since it uses less digits than its factorization.

472878855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271 (or 8268 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 54.

The square root of 472878855 is about 21745.7778660594. Note that the first 3 decimals coincide. The cubic root of 472878855 is about 779.0822292261.

The spelling of 472878855 in words is "four hundred seventy-two million, eight hundred seventy-eight thousand, eight hundred fifty-five".