379971818847 has 12 divisors (see below), whose sum is σ = 550635965880. Its totient is φ = 252489415248.

The previous prime is 379971818833. The next prime is 379971818851. The reversal of 379971818847 is 748818179973.

379971818847 is a `hidden beast` number, since 379 + 9 + 71 + 8 + 188 + 4 + 7 = 666.

It is not a de Polignac number, because 379971818847 - 2⁶ = 379971818783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379971818867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68757972 + ... + 68763497.

It is an arithmetic number, because the mean of its divisors is an integer number (45886330490).

Almost surely, 2^379971818847 is an apocalyptic number.

379971818847 is a deficient number, since it is larger than the sum of its proper divisors (170664147033).

379971818847 is a wasteful number, since it uses less digits than its factorization.

379971818847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137521782 (or 137521779 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 72.

The spelling of 379971818847 in words is "three hundred seventy-nine billion, nine hundred seventy-one million, eight hundred eighteen thousand, eight hundred forty-seven".