70870991375 has 8 divisors (see below), whose sum is σ = 88446997392. Its totient is φ = 56696793000.

The previous prime is 70870991371. The next prime is 70870991383. The reversal of 70870991375 is 57319907807.

It is not a de Polignac number, because 70870991375 - 2² = 70870991371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70870991375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70870991371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283483841 + ... + 283484090.

It is an arithmetic number, because the mean of its divisors is an integer number (11055874674).

Almost surely, 2^70870991375 is an apocalyptic number.

70870991375 is a deficient number, since it is larger than the sum of its proper divisors (17576006017).

70870991375 is an equidigital number, since it uses as much as digits as its factorization.

70870991375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566967946 (or 566967936 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 56.

The spelling of 70870991375 in words is "seventy billion, eight hundred seventy million, nine hundred ninety-one thousand, three hundred seventy-five".