8072717766 has 32 divisors (see below), whose sum is σ = 16336118880. Its totient is φ = 2659160064.

The previous prime is 8072717759. The next prime is 8072717797. The reversal of 8072717766 is 6677172708.

It is a congruent number.

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, 1317526 + ... + 1323638.

It is an arithmetic number, because the mean of its divisors is an integer number (510503715).

Almost surely, 2^8072717766 is an apocalyptic number.

8072717766 is an abundant number, since it is smaller than the sum of its proper divisors (8263401114).

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

8072717766 is a wasteful number, since it uses less digits than its factorization.

8072717766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680.

The product of its (nonzero) digits is 1382976, while the sum is 51.

The square root of 8072717766 is about 89848.3041910085. The cubic root of 8072717766 is about 2006.0415453219.

The spelling of 8072717766 in words is "eight billion, seventy-two million, seven hundred seventeen thousand, seven hundred sixty-six".