79492559 has 2 divisors, whose sum is σ = 79492560. Its totient is φ = 79492558.

The previous prime is 79492549. The next prime is 79492601. The reversal of 79492559 is 95529497.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79492559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79492519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39746279 + 39746280.

It is an arithmetic number, because the mean of its divisors is an integer number (39746280).

Almost surely, 2^79492559 is an apocalyptic number.

79492559 is a deficient number, since it is larger than the sum of its proper divisors (1).

79492559 is an equidigital number, since it uses as much as digits as its factorization.

79492559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 50.

The square root of 79492559 is about 8915.8599697393. The cubic root of 79492559 is about 429.9739645315.

The spelling of 79492559 in words is "seventy-nine million, four hundred ninety-two thousand, five hundred fifty-nine".