71896069817 has 32 divisors (see below), whose sum is σ = 88581427200. Its totient is φ = 57418701120.

The previous prime is 71896069799. The next prime is 71896069831.

71896069817 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 71896069817 - 2¹⁰ = 71896068793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71896069817.

It is not an unprimeable number, because it can be changed into a prime (71896069117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599588 + ... + 709434.

It is an arithmetic number, because the mean of its divisors is an integer number (2768169600).

Almost surely, 2^71896069817 is an apocalyptic number.

It is an amenable number.

71896069817 is a deficient number, since it is larger than the sum of its proper divisors (16685357383).

71896069817 is a wasteful number, since it uses less digits than its factorization.

71896069817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110093.

The product of its (nonzero) digits is 9144576, while the sum is 62.

The spelling of 71896069817 in words is "seventy-one billion, eight hundred ninety-six million, sixty-nine thousand, eight hundred seventeen".