80689722943 has 8 divisors (see below), whose sum is σ = 82662705216. Its totient is φ = 78716976000.

The previous prime is 80689722907. The next prime is 80689722973. The reversal of 80689722943 is 34922798608.

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-80689722943 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 (80689722973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779530 + ... + 876952.

It is an arithmetic number, because the mean of its divisors is an integer number (10332838152).

Almost surely, 2^80689722943 is an apocalyptic number.

80689722943 is a deficient number, since it is larger than the sum of its proper divisors (1972982273).

80689722943 is a wasteful number, since it uses less digits than its factorization.

80689722943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117665.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 80689722943 in words is "eighty billion, six hundred eighty-nine million, seven hundred twenty-two thousand, nine hundred forty-three".