37970981868 has 24 divisors (see below), whose sum is σ = 88758037872. Its totient is φ = 12634268224.

The previous prime is 37970981777. The next prime is 37970981899. The reversal of 37970981868 is 86818907973.

It is a junction number, because it is equal to n+sod(n) for n = 37970981799 and 37970981808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833755 + ... + 2847122.

It is an arithmetic number, because the mean of its divisors is an integer number (3698251578).

Almost surely, 2^37970981868 is an apocalyptic number.

It is an amenable number.

37970981868 is an abundant number, since it is smaller than the sum of its proper divisors (50787056004).

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

37970981868 is a wasteful number, since it uses less digits than its factorization.

37970981868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681441 (or 5681439 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 66.

The spelling of 37970981868 in words is "thirty-seven billion, nine hundred seventy million, nine hundred eighty-one thousand, eight hundred sixty-eight".