3989190178764 has 72 divisors (see below), whose sum is σ = 11533213499808. Its totient is φ = 1138889756160.

The previous prime is 3989190178759. The next prime is 3989190178769. The reversal of 3989190178764 is 4678710919893.

3989190178764 is a `hidden beast` number, since 398 + 9 + 1 + 9 + 0 + 178 + 7 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (3989190178759) and next prime (3989190178769).

It is a junction number, because it is equal to n+sod(n) for n = 3989190178692 and 3989190178701.

It is not an unprimeable number, because it can be changed into a prime (3989190178769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5775747 + ... + 6429434.

Almost surely, 2^{3989190178764} is an apocalyptic number.

It is an amenable number.

3989190178764 is an abundant number, since it is smaller than the sum of its proper divisors (7544023321044).

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

3989190178764 is a wasteful number, since it uses less digits than its factorization.

3989190178764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12206495 (or 12206490 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 72.

The spelling of 3989190178764 in words is "three trillion, nine hundred eighty-nine billion, one hundred ninety million, one hundred seventy-eight thousand, seven hundred sixty-four".