79334917 has 2 divisors, whose sum is σ = 79334918. Its totient is φ = 79334916.

The previous prime is 79334909. The next prime is 79334987. The reversal of 79334917 is 71943397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46226401 + 33108516 = 6799^2 + 5754^2 .

It is a cyclic number.

It is not a de Polignac number, because 79334917 - 2³ = 79334909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79334987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39667458 + 39667459.

It is an arithmetic number, because the mean of its divisors is an integer number (39667459).

Almost surely, 2^79334917 is an apocalyptic number.

It is an amenable number.

79334917 is a deficient number, since it is larger than the sum of its proper divisors (1).

79334917 is an equidigital number, since it uses as much as digits as its factorization.

79334917 is an evil number, because the sum of its binary digits is even.

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

The square root of 79334917 is about 8907.0150443344. The cubic root of 79334917 is about 429.6895487647.

The spelling of 79334917 in words is "seventy-nine million, three hundred thirty-four thousand, nine hundred seventeen".