79149337 has 2 divisors, whose sum is σ = 79149338. Its totient is φ = 79149336.

The previous prime is 79149289. The next prime is 79149341. The reversal of 79149337 is 73394197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75064896 + 4084441 = 8664^2 + 2021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79149337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79149293 and 79149302.

It is not a weakly prime, because it can be changed into another prime (79149347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39574668 + 39574669.

It is an arithmetic number, because the mean of its divisors is an integer number (39574669).

Almost surely, 2^79149337 is an apocalyptic number.

It is an amenable number.

79149337 is a deficient number, since it is larger than the sum of its proper divisors (1).

79149337 is an equidigital number, since it uses as much as digits as its factorization.

79149337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 79149337 is about 8896.5913135313. The cubic root of 79149337 is about 429.3542443462.

The spelling of 79149337 in words is "seventy-nine million, one hundred forty-nine thousand, three hundred thirty-seven".