671572472386 has 16 divisors (see below), whose sum is σ = 1012186856448. Its totient is φ = 334177023600.

The previous prime is 671572472383. The next prime is 671572472401. The reversal of 671572472386 is 683274275176.

It is a self number, because there is not a number n which added to its sum of digits gives 671572472386.

It is not an unprimeable number, because it can be changed into a prime (671572472383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11800696 + ... + 11857468.

It is an arithmetic number, because the mean of its divisors is an integer number (63261678528).

Almost surely, 2^671572472386 is an apocalyptic number.

671572472386 is a deficient number, since it is larger than the sum of its proper divisors (340614384062).

671572472386 is a wasteful number, since it uses less digits than its factorization.

671572472386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85017.

The product of its digits is 23708160, while the sum is 58.

The spelling of 671572472386 in words is "six hundred seventy-one billion, five hundred seventy-two million, four hundred seventy-two thousand, three hundred eighty-six".