79049169 has 8 divisors (see below), whose sum is σ = 117109920. Its totient is φ = 52699428.

The previous prime is 79049153. The next prime is 79049171. The reversal of 79049169 is 96194097.

It is not a de Polignac number, because 79049169 - 2⁴ = 79049153 is a prime.

It is a super-2 number, since 2×79049169² = 12497542239181122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79049869) 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, 1463847 + ... + 1463900.

It is an arithmetic number, because the mean of its divisors is an integer number (14638740).

Almost surely, 2^79049169 is an apocalyptic number.

It is an amenable number.

79049169 is a deficient number, since it is larger than the sum of its proper divisors (38060751).

79049169 is a wasteful number, since it uses less digits than its factorization.

79049169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927756 (or 2927750 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 79049169 is about 8890.9599594195. The cubic root of 79049169 is about 429.1730437904.

The spelling of 79049169 in words is "seventy-nine million, forty-nine thousand, one hundred sixty-nine".