37748700387 has 12 divisors (see below), whose sum is σ = 54527704504. Its totient is φ = 25164967680.

The previous prime is 37748700373. The next prime is 37748700391. The reversal of 37748700387 is 78300784773.

It is not a de Polignac number, because 37748700387 - 2⁴ = 37748700371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37748700307) 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, 353283 + ... + 447555.

Almost surely, 2^37748700387 is an apocalyptic number.

37748700387 is a deficient number, since it is larger than the sum of its proper divisors (16779004117).

37748700387 is a wasteful number, since it uses less digits than its factorization.

37748700387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138770 (or 138767 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 37748700387 in words is "thirty-seven billion, seven hundred forty-eight million, seven hundred thousand, three hundred eighty-seven".