80916416039 has 4 divisors (see below), whose sum is σ = 83526623040. Its totient is φ = 78306209040.

The previous prime is 80916416033. The next prime is 80916416051. The reversal of 80916416039 is 93061461908.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80916416039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80916415984 and 80916416002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80916416033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305103454 + ... + 1305103515.

It is an arithmetic number, because the mean of its divisors is an integer number (20881655760).

Almost surely, 2^80916416039 is an apocalyptic number.

80916416039 is a deficient number, since it is larger than the sum of its proper divisors (2610207001).

80916416039 is a wasteful number, since it uses less digits than its factorization.

80916416039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610207000.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 80916416039 in words is "eighty billion, nine hundred sixteen million, four hundred sixteen thousand, thirty-nine".