80239279 has 8 divisors (see below), whose sum is σ = 81204480. Its totient is φ = 79279896.

The previous prime is 80239219. The next prime is 80239307. The reversal of 80239279 is 97293208.

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 80239279 - 2¹¹ = 80237231 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 (80239219) 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, 30282 + ... + 32824.

It is an arithmetic number, because the mean of its divisors is an integer number (10150560).

Almost surely, 2^80239279 is an apocalyptic number.

80239279 is a deficient number, since it is larger than the sum of its proper divisors (965201).

80239279 is a wasteful number, since it uses less digits than its factorization.

80239279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 80239279 is about 8957.6380257298. The cubic root of 80239279 is about 431.3161028966.

The spelling of 80239279 in words is "eighty million, two hundred thirty-nine thousand, two hundred seventy-nine".