39516079 has 2 divisors, whose sum is σ = 39516080. Its totient is φ = 39516078.

The previous prime is 39516073. The next prime is 39516083. The reversal of 39516079 is 97061593.

It is a strong prime.

It is an emirp because it is prime and its reverse (97061593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39516079 - 2²⁵ = 5961647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39516073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19758039 + 19758040.

It is an arithmetic number, because the mean of its divisors is an integer number (19758040).

Almost surely, 2^39516079 is an apocalyptic number.

39516079 is a deficient number, since it is larger than the sum of its proper divisors (1).

39516079 is an equidigital number, since it uses as much as digits as its factorization.

39516079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 39516079 is about 6286.1815913955. The cubic root of 39516079 is about 340.6104345145.

The spelling of 39516079 in words is "thirty-nine million, five hundred sixteen thousand, seventy-nine".