70086665243 has 8 divisors (see below), whose sum is σ = 81733720800. Its totient is φ = 60074284200.

The previous prime is 70086665213. The next prime is 70086665267. The reversal of 70086665243 is 34256668007.

It is a de Polignac number, because none of the positive numbers 2^k-70086665243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70086665203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102166808 + ... + 102167493.

It is an arithmetic number, because the mean of its divisors is an integer number (10216715100).

Almost surely, 2^70086665243 is an apocalyptic number.

70086665243 is a deficient number, since it is larger than the sum of its proper divisors (11647055557).

70086665243 is an equidigital number, since it uses as much as digits as its factorization.

70086665243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204334322 (or 204334308 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 70086665243 in words is "seventy billion, eighty-six million, six hundred sixty-five thousand, two hundred forty-three".