79199347 has 4 divisors (see below), whose sum is σ = 80153640. Its totient is φ = 78245056.

The previous prime is 79199333. The next prime is 79199383. The reversal of 79199347 is 74399197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74399197 = 613 ⋅121369.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79199347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79199347.

It is not an unprimeable number, because it can be changed into a prime (79199147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477022 + ... + 477187.

It is an arithmetic number, because the mean of its divisors is an integer number (20038410).

Almost surely, 2^79199347 is an apocalyptic number.

79199347 is a deficient number, since it is larger than the sum of its proper divisors (954293).

79199347 is an equidigital number, since it uses as much as digits as its factorization.

79199347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954292.

The product of its digits is 428652, while the sum is 49.

The square root of 79199347 is about 8899.4014967300. The cubic root of 79199347 is about 429.4446535475. Note that the first 3 decimals are identical.

The spelling of 79199347 in words is "seventy-nine million, one hundred ninety-nine thousand, three hundred forty-seven".