80791881407 has 8 divisors (see below), whose sum is σ = 81286916256. Its totient is φ = 80296980832.

The previous prime is 80791881367. The next prime is 80791881419. The reversal of 80791881407 is 70418819708.

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 80791881407 - 2¹⁰ = 80791880383 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 (80791881487) 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, 1346213 + ... + 1404945.

It is an arithmetic number, because the mean of its divisors is an integer number (10160864532).

Almost surely, 2^80791881407 is an apocalyptic number.

80791881407 is a deficient number, since it is larger than the sum of its proper divisors (495034849).

80791881407 is a wasteful number, since it uses less digits than its factorization.

80791881407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67137.

The product of its (nonzero) digits is 903168, while the sum is 53.

The spelling of 80791881407 in words is "eighty billion, seven hundred ninety-one million, eight hundred eighty-one thousand, four hundred seven".