6871157417 has 2 divisors, whose sum is σ = 6871157418. Its totient is φ = 6871157416.

The previous prime is 6871157413. The next prime is 6871157453. The reversal of 6871157417 is 7147511786.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4247259241 + 2623898176 = 65171^2 + 51224^2 .

It is a cyclic number.

It is not a de Polignac number, because 6871157417 - 2² = 6871157413 is a prime.

It is a super-2 number, since 2×6871157417² = 94425608498388223778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6871157411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3435578708 + 3435578709.

It is an arithmetic number, because the mean of its divisors is an integer number (3435578709).

Almost surely, 2^6871157417 is an apocalyptic number.

It is an amenable number.

6871157417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6871157417 is an equidigital number, since it uses as much as digits as its factorization.

6871157417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 47.

The square root of 6871157417 is about 82892.4448728592. Note that the first 3 decimals coincide. The cubic root of 6871157417 is about 1901.1219059236.

The spelling of 6871157417 in words is "six billion, eight hundred seventy-one million, one hundred fifty-seven thousand, four hundred seventeen".