71081076807 has 24 divisors (see below), whose sum is σ = 110591561808. Its totient is φ = 43733894400.

The previous prime is 71081076793. The next prime is 71081076809. The reversal of 71081076807 is 70867018017.

It is a happy number.

It is not a de Polignac number, because 71081076807 - 2²⁶ = 71013967943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71081076809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592207 + ... + 702047.

It is an arithmetic number, because the mean of its divisors is an integer number (4607981742).

Almost surely, 2^71081076807 is an apocalyptic number.

71081076807 is a deficient number, since it is larger than the sum of its proper divisors (39510485001).

71081076807 is a wasteful number, since it uses less digits than its factorization.

71081076807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115391 (or 115388 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The spelling of 71081076807 in words is "seventy-one billion, eighty-one million, seventy-six thousand, eight hundred seven".