1868277474684 has 36 divisors (see below), whose sum is σ = 4885438226760. Its totient is φ = 601284704160.

The previous prime is 1868277474611. The next prime is 1868277474697. The reversal of 1868277474684 is 4864747728681.

It is a happy number.

1868277474684 is a `hidden beast` number, since 1 + 8 + 6 + 8 + 2 + 77 + 474 + 6 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894767862 + ... + 894769949.

It is an arithmetic number, because the mean of its divisors is an integer number (135706617410).

Almost surely, 2^{1868277474684} is an apocalyptic number.

It is an amenable number.

1868277474684 is an abundant number, since it is smaller than the sum of its proper divisors (3017160752076).

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

1868277474684 is a wasteful number, since it uses less digits than its factorization.

1868277474684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789537850 (or 1789537845 counting only the distinct ones).

The product of its digits is 809238528, while the sum is 72.

The spelling of 1868277474684 in words is "one trillion, eight hundred sixty-eight billion, two hundred seventy-seven million, four hundred seventy-four thousand, six hundred eighty-four".