80704328679 has 48 divisors (see below), whose sum is σ = 129027330432. Its totient is φ = 48294840384.

The previous prime is 80704328669. The next prime is 80704328681. The reversal of 80704328679 is 97682340708.

80704328679 is a `hidden beast` number, since 80 + 70 + 432 + 8 + 67 + 9 = 666.

It is not a de Polignac number, because 80704328679 - 2⁹ = 80704328167 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80704328629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1106704 + ... + 1177370.

It is an arithmetic number, because the mean of its divisors is an integer number (2688069384).

Almost surely, 2^80704328679 is an apocalyptic number.

80704328679 is a deficient number, since it is larger than the sum of its proper divisors (48323001753).

80704328679 is a wasteful number, since it uses less digits than its factorization.

80704328679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70956 (or 70953 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 80704328679 in words is "eighty billion, seven hundred four million, three hundred twenty-eight thousand, six hundred seventy-nine".