70843381279 has 8 divisors (see below), whose sum is σ = 77285646288. Its totient is φ = 64401442560.

The previous prime is 70843381267. The next prime is 70843381319. The reversal of 70843381279 is 97218334807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70843381279 - 2³³ = 62253446687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70843381249) 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 in 7 ways as a sum of consecutive naturals, for example, 688669 + ... + 784825.

It is an arithmetic number, because the mean of its divisors is an integer number (9660705786).

Almost surely, 2^70843381279 is an apocalyptic number.

70843381279 is a deficient number, since it is larger than the sum of its proper divisors (6442265009).

70843381279 is a wasteful number, since it uses less digits than its factorization.

70843381279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163145.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 70843381279 in words is "seventy billion, eight hundred forty-three million, three hundred eighty-one thousand, two hundred seventy-nine".