6871316997 has 32 divisors (see below), whose sum is σ = 10016542720. Its totient is φ = 4173845760.

The previous prime is 6871316993. The next prime is 6871317017. The reversal of 6871316997 is 7996131786.

It is not a de Polignac number, because 6871316997 - 2² = 6871316993 is a prime.

It is a super-2 number, since 2×6871316997² = 94429994546522196018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871316993) 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, 276093 + ... + 299949.

It is an arithmetic number, because the mean of its divisors is an integer number (313016960).

Almost surely, 2^6871316997 is an apocalyptic number.

It is an amenable number.

6871316997 is a deficient number, since it is larger than the sum of its proper divisors (3145225723).

6871316997 is a wasteful number, since it uses less digits than its factorization.

6871316997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24073.

The product of its digits is 3429216, while the sum is 57.

The square root of 6871316997 is about 82893.4074399165. The cubic root of 6871316997 is about 1901.1366234191.

The spelling of 6871316997 in words is "six billion, eight hundred seventy-one million, three hundred sixteen thousand, nine hundred ninety-seven".