79528269 has 4 divisors (see below), whose sum is σ = 106037696. Its totient is φ = 53018844.

The previous prime is 79528213. The next prime is 79528271. The reversal of 79528269 is 96282597.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96282597 = 3 ⋅32094199.

It is not a de Polignac number, because 79528269 - 2⁹ = 79527757 is a prime.

It is a super-2 number, since 2×79528269² = 12649491140272722, 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 (79528369) 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, 13254709 + ... + 13254714.

It is an arithmetic number, because the mean of its divisors is an integer number (26509424).

Almost surely, 2^79528269 is an apocalyptic number.

It is an amenable number.

79528269 is a deficient number, since it is larger than the sum of its proper divisors (26509427).

79528269 is a wasteful number, since it uses less digits than its factorization.

79528269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26509426.

The product of its digits is 544320, while the sum is 48.

The square root of 79528269 is about 8917.8623559685. The cubic root of 79528269 is about 430.0383398300.

It can be divided in two parts, 79528 and 269, that added together give a palindrome (79797).

The spelling of 79528269 in words is "seventy-nine million, five hundred twenty-eight thousand, two hundred sixty-nine".