27140864285 has 8 divisors (see below), whose sum is σ = 32618917080. Its totient is φ = 21679438144.

The previous prime is 27140864263. The next prime is 27140864323. The reversal of 27140864285 is 58246804172.

It can be written as a sum of positive squares in 4 ways, for example, as 47045881 + 27093818404 = 6859^2 + 164602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27140864285 - 2⁶ = 27140864221 is a prime.

It is a super-2 number, since 2×27140864285² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4153070 + ... + 4159599.

It is an arithmetic number, because the mean of its divisors is an integer number (4077364635).

Almost surely, 2^27140864285 is an apocalyptic number.

It is an amenable number.

27140864285 is a deficient number, since it is larger than the sum of its proper divisors (5478052795).

27140864285 is an equidigital number, since it uses as much as digits as its factorization.

27140864285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313327.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 27140864285 in words is "twenty-seven billion, one hundred forty million, eight hundred sixty-four thousand, two hundred eighty-five".