80178712287 has 16 divisors (see below), whose sum is σ = 112301683200. Its totient is φ = 50785303712.

The previous prime is 80178712277. The next prime is 80178712319. The reversal of 80178712287 is 78221787108.

It is a cyclic number.

It is not a de Polignac number, because 80178712287 - 2²⁴ = 80161935071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80178712277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3889083 + ... + 3909644.

It is an arithmetic number, because the mean of its divisors is an integer number (7018855200).

Almost surely, 2^80178712287 is an apocalyptic number.

80178712287 is a deficient number, since it is larger than the sum of its proper divisors (32122970913).

80178712287 is a wasteful number, since it uses less digits than its factorization.

80178712287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798902.

The product of its (nonzero) digits is 702464, while the sum is 51.

The spelling of 80178712287 in words is "eighty billion, one hundred seventy-eight million, seven hundred twelve thousand, two hundred eighty-seven".