80679091 has 8 divisors (see below), whose sum is σ = 82346544. Its totient is φ = 79017120.

The previous prime is 80679083. The next prime is 80679097. The reversal of 80679091 is 19097608.

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 80679091 - 2³ = 80679083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80679097) 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, 42045 + ... + 43921.

It is an arithmetic number, because the mean of its divisors is an integer number (10293318).

Almost surely, 2^80679091 is an apocalyptic number.

80679091 is a deficient number, since it is larger than the sum of its proper divisors (1667453).

80679091 is a wasteful number, since it uses less digits than its factorization.

80679091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 80679091 is about 8982.1540289621. The cubic root of 80679091 is about 432.1027187011.

It can be divided in two parts, 806 and 79091, that added together give a palindrome (79897).

The spelling of 80679091 in words is "eighty million, six hundred seventy-nine thousand, ninety-one".