79214609 has 4 divisors (see below), whose sum is σ = 79234560. Its totient is φ = 79194660.

The previous prime is 79214593. The next prime is 79214621. The reversal of 79214609 is 90641297.

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 79214609 - 2⁴ = 79214593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79214699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769 + ... + 12710.

It is an arithmetic number, because the mean of its divisors is an integer number (19808640).

Almost surely, 2^79214609 is an apocalyptic number.

It is an amenable number.

79214609 is a deficient number, since it is larger than the sum of its proper divisors (19951).

79214609 is a wasteful number, since it uses less digits than its factorization.

79214609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19950.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 79214609 is about 8900.2589288177. The cubic root of 79214609 is about 429.4722369539.

The spelling of 79214609 in words is "seventy-nine million, two hundred fourteen thousand, six hundred nine".