3685475515868 has 96 divisors (see below), whose sum is σ = 7251931814400. Its totient is φ = 1628595763200.

The previous prime is 3685475515829. The next prime is 3685475515901. The reversal of 3685475515868 is 8685155745863.

It is a congruent number.

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, 71898728 + ... + 71949968.

It is an arithmetic number, because the mean of its divisors is an integer number (75540956400).

Almost surely, 2^{3685475515868} is an apocalyptic number.

3685475515868 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3685475515868 is a deficient number, since it is larger than the sum of its proper divisors (3566456298532).

3685475515868 is a wasteful number, since it uses less digits than its factorization.

3685475515868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51771 (or 51769 counting only the distinct ones).

The product of its digits is 967680000, while the sum is 71.

The spelling of 3685475515868 in words is "three trillion, six hundred eighty-five billion, four hundred seventy-five million, five hundred fifteen thousand, eight hundred sixty-eight".