27700019271 has 6 divisors (see below), whose sum is σ = 40011138960. Its totient is φ = 18466679508.

The previous prime is 27700019251. The next prime is 27700019309. The reversal of 27700019271 is 17291000772.

It is a de Polignac number, because none of the positive numbers 2^k-27700019271 is a prime.

It is a super-2 number, since 2×27700019271² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27700019251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1538889951 + ... + 1538889968.

It is an arithmetic number, because the mean of its divisors is an integer number (6668523160).

Almost surely, 2^27700019271 is an apocalyptic number.

27700019271 is a deficient number, since it is larger than the sum of its proper divisors (12311119689).

27700019271 is a wasteful number, since it uses less digits than its factorization.

27700019271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077779925 (or 3077779922 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The spelling of 27700019271 in words is "twenty-seven billion, seven hundred million, nineteen thousand, two hundred seventy-one".