37845981868 has 6 divisors (see below), whose sum is σ = 66230468276. Its totient is φ = 18922990932.

The previous prime is 37845981827. The next prime is 37845981869. The reversal of 37845981868 is 86818954873.

It is not an unprimeable number, because it can be changed into a prime (37845981869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4730747730 + ... + 4730747737.

Almost surely, 2^37845981868 is an apocalyptic number.

It is an amenable number.

37845981868 is a deficient number, since it is larger than the sum of its proper divisors (28384486408).

37845981868 is a wasteful number, since it uses less digits than its factorization.

37845981868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461495471 (or 9461495469 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 67.

The spelling of 37845981868 in words is "thirty-seven billion, eight hundred forty-five million, nine hundred eighty-one thousand, eight hundred sixty-eight".