3116628287 has 4 divisors (see below), whose sum is σ = 3167720616. Its totient is φ = 3065535960.

The previous prime is 3116628257. The next prime is 3116628293. The reversal of 3116628287 is 7828266113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7828266113 = 2267 ⋅3453139.

It is a cyclic number.

It is not a de Polignac number, because 3116628287 - 2²⁰ = 3115579711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116628247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25546073 + ... + 25546194.

It is an arithmetic number, because the mean of its divisors is an integer number (791930154).

Almost surely, 2^3116628287 is an apocalyptic number.

3116628287 is a deficient number, since it is larger than the sum of its proper divisors (51092329).

3116628287 is an equidigital number, since it uses as much as digits as its factorization.

3116628287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51092328.

The product of its digits is 193536, while the sum is 44.

The square root of 3116628287 is about 55826.7703436264. The cubic root of 3116628287 is about 1460.7021528792.

The spelling of 3116628287 in words is "three billion, one hundred sixteen million, six hundred twenty-eight thousand, two hundred eighty-seven".