79532617 has 2 divisors, whose sum is σ = 79532618. Its totient is φ = 79532616.

The previous prime is 79532611. The next prime is 79532623. The reversal of 79532617 is 71623597.

It is a balanced prime because it is at equal distance from previous prime (79532611) and next prime (79532623).

It can be written as a sum of positive squares in only one way, i.e., 69572281 + 9960336 = 8341^2 + 3156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79532617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79532617.

It is not a weakly prime, because it can be changed into another prime (79532611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39766308 + 39766309.

It is an arithmetic number, because the mean of its divisors is an integer number (39766309).

Almost surely, 2^79532617 is an apocalyptic number.

It is an amenable number.

79532617 is a deficient number, since it is larger than the sum of its proper divisors (1).

79532617 is an equidigital number, since it uses as much as digits as its factorization.

79532617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 79532617 is about 8918.1061330307. The cubic root of 79532617 is about 430.0461767608.

The spelling of 79532617 in words is "seventy-nine million, five hundred thirty-two thousand, six hundred seventeen".