475725878986 has 16 divisors (see below), whose sum is σ = 721024307136. Its totient is φ = 235396993216.

The previous prime is 475725878939. The next prime is 475725878989. The reversal of 475725878986 is 689878527574.

It is a super-2 number, since 2×475725878986² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475725878989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061471 + ... + 3213106.

It is an arithmetic number, because the mean of its divisors is an integer number (45064019196).

Almost surely, 2^475725878986 is an apocalyptic number.

475725878986 is a deficient number, since it is larger than the sum of its proper divisors (245298428150).

475725878986 is a wasteful number, since it uses less digits than its factorization.

475725878986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274973.

The product of its digits is 1896652800, while the sum is 76.

The spelling of 475725878986 in words is "four hundred seventy-five billion, seven hundred twenty-five million, eight hundred seventy-eight thousand, nine hundred eighty-six".