3678564389674 has 16 divisors (see below), whose sum is σ = 5579296289280. Its totient is φ = 1818908204400.

The previous prime is 3678564389603. The next prime is 3678564389683. The reversal of 3678564389674 is 4769834658763.

It is a happy number.

It is a super-3 number, since 3×3678564389674³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3678564389674.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27243589 + ... + 27378280.

It is an arithmetic number, because the mean of its divisors is an integer number (348706018080).

Almost surely, 2^{3678564389674} is an apocalyptic number.

3678564389674 is a deficient number, since it is larger than the sum of its proper divisors (1900731899606).

3678564389674 is a wasteful number, since it uses less digits than its factorization.

3678564389674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54622245.

The product of its digits is 4389396480, while the sum is 76.

The spelling of 3678564389674 in words is "three trillion, six hundred seventy-eight billion, five hundred sixty-four million, three hundred eighty-nine thousand, six hundred seventy-four".