6471175867987 has 2 divisors, whose sum is σ = 6471175867988. Its totient is φ = 6471175867986.

The previous prime is 6471175867951. The next prime is 6471175867993. The reversal of 6471175867987 is 7897685711746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6471175867987 - 2²³ = 6471167479379 is a prime.

It is a super-2 number, since 2×6471175867987² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6471175817987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235587933993 + 3235587933994.

It is an arithmetic number, because the mean of its divisors is an integer number (3235587933994).

Almost surely, 2^{6471175867987} is an apocalyptic number.

6471175867987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471175867987 is an equidigital number, since it uses as much as digits as its factorization.

6471175867987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995742720, while the sum is 76.

The spelling of 6471175867987 in words is "six trillion, four hundred seventy-one billion, one hundred seventy-five million, eight hundred sixty-seven thousand, nine hundred eighty-seven".