80764172591767 has 16 divisors (see below), whose sum is σ = 95389797629952. Its totient is φ = 66915694316160.

The previous prime is 80764172591747. The next prime is 80764172591797. The reversal of 80764172591767 is 76719527146708.

It is a cyclic number.

It is not a de Polignac number, because 80764172591767 - 2¹⁹ = 80764172067479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80764172591696 and 80764172591705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80764172591737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215447218 + ... + 215821759.

It is an arithmetic number, because the mean of its divisors is an integer number (5961862351872).

Almost surely, 2^{80764172591767} is an apocalyptic number.

80764172591767 is a deficient number, since it is larger than the sum of its proper divisors (14625625038185).

80764172591767 is a wasteful number, since it uses less digits than its factorization.

80764172591767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431269878.

The product of its (nonzero) digits is 248935680, while the sum is 70.

The spelling of 80764172591767 in words is "eighty trillion, seven hundred sixty-four billion, one hundred seventy-two million, five hundred ninety-one thousand, seven hundred sixty-seven".