15680070907 has 2 divisors, whose sum is σ = 15680070908. Its totient is φ = 15680070906.

The previous prime is 15680070877. The next prime is 15680070919. The reversal of 15680070907 is 70907008651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15680070907 - 2⁷ = 15680070779 is a prime.

It is not a weakly prime, because it can be changed into another prime (15680080907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7840035453 + 7840035454.

It is an arithmetic number, because the mean of its divisors is an integer number (7840035454).

Almost surely, 2^15680070907 is an apocalyptic number.

15680070907 is a deficient number, since it is larger than the sum of its proper divisors (1).

15680070907 is an equidigital number, since it uses as much as digits as its factorization.

15680070907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 15680070907 in words is "fifteen billion, six hundred eighty million, seventy thousand, nine hundred seven".