80792269 has 4 divisors (see below), whose sum is σ = 81055744. Its totient is φ = 80528796.

The previous prime is 80792233. The next prime is 80792297. The reversal of 80792269 is 96229708.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80792269 - 2¹⁹ = 80267981 is a prime.

It is a super-2 number, since 2×80792269² = 13054781460336722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80792219) 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 3 ways as a sum of consecutive naturals, for example, 131277 + ... + 131890.

It is an arithmetic number, because the mean of its divisors is an integer number (20263936).

Almost surely, 2^80792269 is an apocalyptic number.

It is an amenable number.

80792269 is a deficient number, since it is larger than the sum of its proper divisors (263475).

80792269 is a wasteful number, since it uses less digits than its factorization.

80792269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263474.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 80792269 is about 8988.4519801799. The cubic root of 80792269 is about 432.3046779724.

The spelling of 80792269 in words is "eighty million, seven hundred ninety-two thousand, two hundred sixty-nine".