39628079 has 2 divisors, whose sum is σ = 39628080. Its totient is φ = 39628078.

The previous prime is 39628049. The next prime is 39628081. The reversal of 39628079 is 97082693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39628079 - 2⁸ = 39627823 is a prime.

Together with 39628081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39628009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19814039 + 19814040.

It is an arithmetic number, because the mean of its divisors is an integer number (19814040).

Almost surely, 2^39628079 is an apocalyptic number.

39628079 is a deficient number, since it is larger than the sum of its proper divisors (1).

39628079 is an equidigital number, since it uses as much as digits as its factorization.

39628079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 39628079 is about 6295.0837166792. The cubic root of 39628079 is about 340.9319271415.

The spelling of 39628079 in words is "thirty-nine million, six hundred twenty-eight thousand, seventy-nine".