79149347 has 2 divisors, whose sum is σ = 79149348. Its totient is φ = 79149346.

The previous prime is 79149341. The next prime is 79149349. The reversal of 79149347 is 74394197.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79149347 is a prime.

Together with 79149349, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79149298 and 79149307.

It is not a weakly prime, because it can be changed into another prime (79149341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39574673 + 39574674.

It is an arithmetic number, because the mean of its divisors is an integer number (39574674).

Almost surely, 2^79149347 is an apocalyptic number.

79149347 is a deficient number, since it is larger than the sum of its proper divisors (1).

79149347 is an equidigital number, since it uses as much as digits as its factorization.

79149347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 79149347 is about 8896.5918755443. The cubic root of 79149347 is about 429.3542624282.

The spelling of 79149347 in words is "seventy-nine million, one hundred forty-nine thousand, three hundred forty-seven".