387971345692 has 12 divisors (see below), whose sum is σ = 775942691440. Its totient is φ = 166273433856.

The previous prime is 387971345687. The next prime is 387971345711. The reversal of 387971345692 is 296543179783.

387971345692 is an admirable number.

It is a super-2 number, since 2×387971345692² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6928059717 + ... + 6928059772.

Almost surely, 2^387971345692 is an apocalyptic number.

It is an amenable number.

387971345692 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387971345692 is a wasteful number, since it uses less digits than its factorization.

387971345692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856119500 (or 13856119498 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 64.

The spelling of 387971345692 in words is "three hundred eighty-seven billion, nine hundred seventy-one million, three hundred forty-five thousand, six hundred ninety-two".