71279185136794 has 8 divisors (see below), whose sum is σ = 107599789028628. Its totient is φ = 35412588793920.

The previous prime is 71279185136767. The next prime is 71279185136807. The reversal of 71279185136794 is 49763158197217.

It can be written as a sum of positive squares in 2 ways, for example, as 61148568260025 + 10130616876769 = 7819755^2 + 3182863^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113501886847 + ... + 113501887474.

Almost surely, 2^{71279185136794} is an apocalyptic number.

71279185136794 is a deficient number, since it is larger than the sum of its proper divisors (36320603891834).

71279185136794 is a wasteful number, since it uses less digits than its factorization.

71279185136794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227003774480.

The product of its digits is 160030080, while the sum is 70.

The spelling of 71279185136794 in words is "seventy-one trillion, two hundred seventy-nine billion, one hundred eighty-five million, one hundred thirty-six thousand, seven hundred ninety-four".