80407770370679 has 8 divisors (see below), whose sum is σ = 82020941416512. Its totient is φ = 78798156484320.

The previous prime is 80407770370633. The next prime is 80407770370703. The reversal of 80407770370679 is 97607307770408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80407770370679 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 (80407770370619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889244207 + ... + 889334624.

It is an arithmetic number, because the mean of its divisors is an integer number (10252617677064).

Almost surely, 2^{80407770370679} is an apocalyptic number.

80407770370679 is a deficient number, since it is larger than the sum of its proper divisors (1613171045833).

80407770370679 is a wasteful number, since it uses less digits than its factorization.

80407770370679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778579737.

The product of its (nonzero) digits is 87127488, while the sum is 65.

The spelling of 80407770370679 in words is "eighty trillion, four hundred seven billion, seven hundred seventy million, three hundred seventy thousand, six hundred seventy-nine".