37977681168 has 80 divisors (see below), whose sum is σ = 124582879360. Its totient is φ = 10850765184.

The previous prime is 37977681101. The next prime is 37977681173. The reversal of 37977681168 is 86118677973.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6276355 + ... + 6282402.

It is an arithmetic number, because the mean of its divisors is an integer number (1557285992).

Almost surely, 2^37977681168 is an apocalyptic number.

It is an amenable number.

37977681168 is an abundant number, since it is smaller than the sum of its proper divisors (86605198192).

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

37977681168 is a wasteful number, since it uses less digits than its factorization.

37977681168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558781 (or 12558769 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The spelling of 37977681168 in words is "thirty-seven billion, nine hundred seventy-seven million, six hundred eighty-one thousand, one hundred sixty-eight".