70713065879 has 2 divisors, whose sum is σ = 70713065880. Its totient is φ = 70713065878.

The previous prime is 70713065869. The next prime is 70713065897. The reversal of 70713065879 is 97856031707.

Together with next prime (70713065897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70713065879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70713065879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70713065869) 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, 35356532939 + 35356532940.

It is an arithmetic number, because the mean of its divisors is an integer number (35356532940).

Almost surely, 2^70713065879 is an apocalyptic number.

70713065879 is a deficient number, since it is larger than the sum of its proper divisors (1).

70713065879 is an equidigital number, since it uses as much as digits as its factorization.

70713065879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 70713065879 in words is "seventy billion, seven hundred thirteen million, sixty-five thousand, eight hundred seventy-nine".