80941623859 has 8 divisors (see below), whose sum is σ = 81057918240. Its totient is φ = 80825371200.

The previous prime is 80941623857. The next prime is 80941623863. The reversal of 80941623859 is 95832614908.

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

It is a cyclic number.

It is not a de Polignac number, because 80941623859 - 2¹ = 80941623857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80941623857) 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, 7551514 + ... + 7562224.

It is an arithmetic number, because the mean of its divisors is an integer number (10132239780).

Almost surely, 2^80941623859 is an apocalyptic number.

80941623859 is a deficient number, since it is larger than the sum of its proper divisors (116294381).

80941623859 is a wasteful number, since it uses less digits than its factorization.

80941623859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20861.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 80941623859 in words is "eighty billion, nine hundred forty-one million, six hundred twenty-three thousand, eight hundred fifty-nine".