475877843545 has 16 divisors (see below), whose sum is σ = 615026380752. Its totient is φ = 351391322880.

The previous prime is 475877843521. The next prime is 475877843563. The reversal of 475877843545 is 545348778574.

It can be written as a sum of positive squares in 8 ways, for example, as 116295322441 + 359582521104 = 341021^2 + 599652^2 .

It is a de Polignac number, because none of the positive numbers 2^k-475877843545 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630139 + ... + 1161391.

It is an arithmetic number, because the mean of its divisors is an integer number (38439148797).

Almost surely, 2^475877843545 is an apocalyptic number.

It is an amenable number.

475877843545 is a deficient number, since it is larger than the sum of its proper divisors (139148537207).

475877843545 is a wasteful number, since it uses less digits than its factorization.

475877843545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545052.

The product of its digits is 526848000, while the sum is 67.

The spelling of 475877843545 in words is "four hundred seventy-five billion, eight hundred seventy-seven million, eight hundred forty-three thousand, five hundred forty-five".