71317066767 has 16 divisors (see below), whose sum is σ = 97779948672. Its totient is φ = 46202620320.

The previous prime is 71317066763. The next prime is 71317066813. The reversal of 71317066767 is 76766071317.

It is not a de Polignac number, because 71317066767 - 2² = 71317066763 is a prime.

It is a super-2 number, since 2×71317066767² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71317066763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306093 + ... + 486134.

It is an arithmetic number, because the mean of its divisors is an integer number (6111246792).

Almost surely, 2^71317066767 is an apocalyptic number.

71317066767 is a deficient number, since it is larger than the sum of its proper divisors (26462881905).

71317066767 is a wasteful number, since it uses less digits than its factorization.

71317066767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793078.

The product of its (nonzero) digits is 1555848, while the sum is 51.

The spelling of 71317066767 in words is "seventy-one billion, three hundred seventeen million, sixty-six thousand, seven hundred sixty-seven".