8072665764 has 48 divisors (see below), whose sum is σ = 20811385728. Its totient is φ = 2422486528.

The previous prime is 8072665753. The next prime is 8072665829. The reversal of 8072665764 is 4675662708.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855567 + ... + 864950.

It is an arithmetic number, because the mean of its divisors is an integer number (433570536).

Almost surely, 2^8072665764 is an apocalyptic number.

It is an amenable number.

8072665764 is an abundant number, since it is smaller than the sum of its proper divisors (12738719964).

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

8072665764 is a wasteful number, since it uses less digits than its factorization.

8072665764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720564 (or 1720562 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The square root of 8072665764 is about 89848.0148027768. The cubic root of 8072665764 is about 2006.0372378755.

The spelling of 8072665764 in words is "eight billion, seventy-two million, six hundred sixty-five thousand, seven hundred sixty-four".