79632859 has 2 divisors, whose sum is σ = 79632860. Its totient is φ = 79632858.

The previous prime is 79632851. The next prime is 79632863. The reversal of 79632859 is 95823697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79632859 - 2³ = 79632851 is a prime.

It is not a weakly prime, because it can be changed into another prime (79632851) 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, 39816429 + 39816430.

It is an arithmetic number, because the mean of its divisors is an integer number (39816430).

Almost surely, 2^79632859 is an apocalyptic number.

79632859 is a deficient number, since it is larger than the sum of its proper divisors (1).

79632859 is an equidigital number, since it uses as much as digits as its factorization.

79632859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 79632859 is about 8923.7245026950. The cubic root of 79632859 is about 430.2267759997.

The spelling of 79632859 in words is "seventy-nine million, six hundred thirty-two thousand, eight hundred fifty-nine".