71279969067 has 6 divisors (see below), whose sum is σ = 102959955332. Its totient is φ = 47519979372.

The previous prime is 71279969039. The next prime is 71279969107. The reversal of 71279969067 is 76096997217.

It is not a de Polignac number, because 71279969067 - 2¹¹ = 71279967019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71279968995 and 71279969013.

It is not an unprimeable number, because it can be changed into a prime (71279969017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3959998273 + ... + 3959998290.

Almost surely, 2^71279969067 is an apocalyptic number.

71279969067 is a deficient number, since it is larger than the sum of its proper divisors (31679986265).

71279969067 is a wasteful number, since it uses less digits than its factorization.

71279969067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919996569 (or 7919996566 counting only the distinct ones).

The product of its (nonzero) digits is 18003384, while the sum is 63.

The spelling of 71279969067 in words is "seventy-one billion, two hundred seventy-nine million, nine hundred sixty-nine thousand, sixty-seven".