475784657855 has 48 divisors (see below), whose sum is σ = 668346770784. Its totient is φ = 322990295040.

The previous prime is 475784657771. The next prime is 475784657867. The reversal of 475784657855 is 558756487574.

It is not a de Polignac number, because 475784657855 - 2⁸ = 475784657599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513245 + ... + 1102265.

It is an arithmetic number, because the mean of its divisors is an integer number (13923891058).

Almost surely, 2^475784657855 is an apocalyptic number.

475784657855 is a deficient number, since it is larger than the sum of its proper divisors (192562112929).

475784657855 is a wasteful number, since it uses less digits than its factorization.

475784657855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589116 (or 589099 counting only the distinct ones).

The product of its digits is 1317120000, while the sum is 71.

The spelling of 475784657855 in words is "four hundred seventy-five billion, seven hundred eighty-four million, six hundred fifty-seven thousand, eight hundred fifty-five".