3117887697 has 4 divisors (see below), whose sum is σ = 4157183600. Its totient is φ = 2078591796.

The previous prime is 3117887653. The next prime is 3117887699. The reversal of 3117887697 is 7967887113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3117887697 - 2¹¹ = 3117885649 is a prime.

It is a super-2 number, since 2×3117887697² = 19442447382207927618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3117887699) 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, 519647947 + ... + 519647952.

It is an arithmetic number, because the mean of its divisors is an integer number (1039295900).

Almost surely, 2^3117887697 is an apocalyptic number.

It is an amenable number.

3117887697 is a deficient number, since it is larger than the sum of its proper divisors (1039295903).

3117887697 is a wasteful number, since it uses less digits than its factorization.

3117887697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039295902.

The product of its digits is 3556224, while the sum is 57.

The square root of 3117887697 is about 55838.0488287333. The cubic root of 3117887697 is about 1460.8988799179.

The spelling of 3117887697 in words is "three billion, one hundred seventeen million, eight hundred eighty-seven thousand, six hundred ninety-seven".