37894647964 has 36 divisors (see below), whose sum is σ = 70152426624. Its totient is φ = 17908345728.

The previous prime is 37894647949. The next prime is 37894647977. The reversal of 37894647964 is 46974649873.

It is a self number, because there is not a number n which added to its sum of digits gives 37894647964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594949 + ... + 655555.

Almost surely, 2^37894647964 is an apocalyptic number.

It is an amenable number.

37894647964 is a deficient number, since it is larger than the sum of its proper divisors (32257778660).

37894647964 is a wasteful number, since it uses less digits than its factorization.

37894647964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61082 (or 61061 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 67.

The spelling of 37894647964 in words is "thirty-seven billion, eight hundred ninety-four million, six hundred forty-seven thousand, nine hundred sixty-four".