3157127868 has 24 divisors (see below), whose sum is σ = 7799963472. Its totient is φ = 990471424.

The previous prime is 3157127863. The next prime is 3157127887. The reversal of 3157127868 is 8687217513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157127863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7737855 + ... + 7738262.

It is an arithmetic number, because the mean of its divisors is an integer number (324998478).

Almost surely, 2^3157127868 is an apocalyptic number.

It is an amenable number.

3157127868 is an abundant number, since it is smaller than the sum of its proper divisors (4642835604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157127868 is a wasteful number, since it uses less digits than its factorization.

3157127868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476141 (or 15476139 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 3157127868 is about 56188.3250150776. The cubic root of 3157127868 is about 1467.0020607855.

The spelling of 3157127868 in words is "three billion, one hundred fifty-seven million, one hundred twenty-seven thousand, eight hundred sixty-eight".