3912173180828 has 24 divisors (see below), whose sum is σ = 7571005140720. Its totient is φ = 1753900801920.

The previous prime is 3912173180819. The next prime is 3912173180849. The reversal of 3912173180828 is 8280813712193.

It is a self number, because there is not a number n which added to its sum of digits gives 3912173180828.

It is a congruent number.

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, 608990123 + ... + 608996546.

It is an arithmetic number, because the mean of its divisors is an integer number (315458547530).

Almost surely, 2^{3912173180828} is an apocalyptic number.

It is an amenable number.

3912173180828 is a deficient number, since it is larger than the sum of its proper divisors (3658831959892).

3912173180828 is a wasteful number, since it uses less digits than its factorization.

3912173180828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217986757 (or 1217986755 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 3912173180828 in words is "three trillion, nine hundred twelve billion, one hundred seventy-three million, one hundred eighty thousand, eight hundred twenty-eight".