80708405761 has 8 divisors (see below), whose sum is σ = 80902209024. Its totient is φ = 80514735840.

The previous prime is 80708405719. The next prime is 80708405809. The reversal of 80708405761 is 16750480708.

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-80708405761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80708403761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236240 + ... + 1299886.

It is an arithmetic number, because the mean of its divisors is an integer number (10112776128).

Almost surely, 2^80708405761 is an apocalyptic number.

It is an amenable number.

80708405761 is a deficient number, since it is larger than the sum of its proper divisors (193803263).

80708405761 is a wasteful number, since it uses less digits than its factorization.

80708405761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66671.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 80708405761 in words is "eighty billion, seven hundred eight million, four hundred five thousand, seven hundred sixty-one".