79289293 has 2 divisors, whose sum is σ = 79289294. Its totient is φ = 79289292.

The previous prime is 79289279. The next prime is 79289317. The reversal of 79289293 is 39298297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 36216324 = 6563^2 + 6018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79289293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79289233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39644646 + 39644647.

It is an arithmetic number, because the mean of its divisors is an integer number (39644647).

Almost surely, 2^79289293 is an apocalyptic number.

It is an amenable number.

79289293 is a deficient number, since it is larger than the sum of its proper divisors (1).

79289293 is an equidigital number, since it uses as much as digits as its factorization.

79289293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 79289293 is about 8904.4535486463. The cubic root of 79289293 is about 429.6071642111.

The spelling of 79289293 in words is "seventy-nine million, two hundred eighty-nine thousand, two hundred ninety-three".