80700904679 has 4 divisors (see below), whose sum is σ = 80808363360. Its totient is φ = 80593446000.

The previous prime is 80700904673. The next prime is 80700904699. The reversal of 80700904679 is 97640900708.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80700904679 - 2⁸ = 80700904423 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 (80700904673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53728214 + ... + 53729715.

It is an arithmetic number, because the mean of its divisors is an integer number (20202090840).

Almost surely, 2^80700904679 is an apocalyptic number.

80700904679 is a deficient number, since it is larger than the sum of its proper divisors (107458681).

80700904679 is a wasteful number, since it uses less digits than its factorization.

80700904679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107458680.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 80700904679 in words is "eighty billion, seven hundred million, nine hundred four thousand, six hundred seventy-nine".