475667851820 has 96 divisors (see below), whose sum is σ = 1184645952000. Its totient is φ = 160321812672.

The previous prime is 475667851783. The next prime is 475667851831. The reversal of 475667851820 is 28158766574.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a self number, because there is not a number n which added to its sum of digits gives 475667851820.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182882 + ... + 992361.

It is an arithmetic number, because the mean of its divisors is an integer number (12340062000).

Almost surely, 2^475667851820 is an apocalyptic number.

It is an amenable number.

475667851820 is an abundant number, since it is smaller than the sum of its proper divisors (708978100180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475667851820 is a wasteful number, since it uses less digits than its factorization.

475667851820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175332 (or 1175316 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 475667851820 in words is "four hundred seventy-five billion, six hundred sixty-seven million, eight hundred fifty-one thousand, eight hundred twenty".