58670639 has 2 divisors, whose sum is σ = 58670640. Its totient is φ = 58670638.

The previous prime is 58670581. The next prime is 58670671. The reversal of 58670639 is 93607685.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58670639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 58670639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58670699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29335319 + 29335320.

It is an arithmetic number, because the mean of its divisors is an integer number (29335320).

Almost surely, 2^58670639 is an apocalyptic number.

58670639 is a deficient number, since it is larger than the sum of its proper divisors (1).

58670639 is an equidigital number, since it uses as much as digits as its factorization.

58670639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 58670639 is about 7659.6761680896. The cubic root of 58670639 is about 388.5738819629.

The spelling of 58670639 in words is "fifty-eight million, six hundred seventy thousand, six hundred thirty-nine".