2871495797 has 4 divisors (see below), whose sum is σ = 2879630700. Its totient is φ = 2863360896.

The previous prime is 2871495793. The next prime is 2871495799. The reversal of 2871495797 is 7975941782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 822485041 + 2049010756 = 28679^2 + 45266^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871495797 - 2² = 2871495793 is a prime.

It is a super-2 number, since 2×2871495797² = 16490976224377330418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871495793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4066922 + ... + 4067627.

It is an arithmetic number, because the mean of its divisors is an integer number (719907675).

Almost surely, 2^2871495797 is an apocalyptic number.

It is an amenable number.

2871495797 is a deficient number, since it is larger than the sum of its proper divisors (8134903).

2871495797 is an equidigital number, since it uses as much as digits as its factorization.

2871495797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134902.

The product of its digits is 8890560, while the sum is 59.

The square root of 2871495797 is about 53586.3396492054. The cubic root of 2871495797 is about 1421.3555456494.

The spelling of 2871495797 in words is "two billion, eight hundred seventy-one million, four hundred ninety-five thousand, seven hundred ninety-seven".