37881680556 has 24 divisors (see below), whose sum is σ = 88418154160. Its totient is φ = 12623288832.

The previous prime is 37881680549. The next prime is 37881680569. The reversal of 37881680556 is 65508618873.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 37881680496 and 37881680505.

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 7 ways as a sum of consecutive naturals, for example, 452041 + ... + 529248.

Almost surely, 2^37881680556 is an apocalyptic number.

It is an amenable number.

37881680556 is an abundant number, since it is smaller than the sum of its proper divisors (50536473604).

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

37881680556 is a wasteful number, since it uses less digits than its factorization.

37881680556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984513 (or 984511 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 37881680556 in words is "thirty-seven billion, eight hundred eighty-one million, six hundred eighty thousand, five hundred fifty-six".