8037897664 has 28 divisors (see below), whose sum is σ = 15991255800. Its totient is φ = 4008604928.

The previous prime is 8037897641. The next prime is 8037897671. The reversal of 8037897664 is 4667987308.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8037897599 and 8037897608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136534 + ... + 186325.

Almost surely, 2^8037897664 is an apocalyptic number.

It is an amenable number.

8037897664 is a deficient number, since it is larger than the sum of its proper divisors (7953358136).

8037897664 is a wasteful number, since it uses less digits than its factorization.

8037897664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323260 (or 323250 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 58.

The square root of 8037897664 is about 89654.3231751821. The cubic root of 8037897664 is about 2003.1531648299.

The spelling of 8037897664 in words is "eight billion, thirty-seven million, eight hundred ninety-seven thousand, six hundred sixty-four".