80797645895 has 16 divisors (see below), whose sum is σ = 97850884032. Its totient is φ = 64042728960.

The previous prime is 80797645861. The next prime is 80797645897. The reversal of 80797645895 is 59854679708.

It is a happy number.

It is not a de Polignac number, because 80797645895 - 2²⁶ = 80730537031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80797645897) 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, 1615565 + ... + 1664825.

It is an arithmetic number, because the mean of its divisors is an integer number (6115680252).

Almost surely, 2^80797645895 is an apocalyptic number.

80797645895 is a deficient number, since it is larger than the sum of its proper divisors (17053238137).

80797645895 is a wasteful number, since it uses less digits than its factorization.

80797645895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52282.

The product of its (nonzero) digits is 152409600, while the sum is 68.

The spelling of 80797645895 in words is "eighty billion, seven hundred ninety-seven million, six hundred forty-five thousand, eight hundred ninety-five".