27700043539 has 12 divisors (see below), whose sum is σ = 32228506800. Its totient is φ = 23738468208.

The previous prime is 27700043519. The next prime is 27700043561. The reversal of 27700043539 is 93534000772.

It is not a de Polignac number, because 27700043539 - 2⁷ = 27700043411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27700043509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227922 + ... + 327640.

It is an arithmetic number, because the mean of its divisors is an integer number (2685708900).

Almost surely, 2^27700043539 is an apocalyptic number.

27700043539 is a deficient number, since it is larger than the sum of its proper divisors (4528463261).

27700043539 is an equidigital number, since it uses as much as digits as its factorization.

27700043539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105402 (or 105395 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 27700043539 in words is "twenty-seven billion, seven hundred million, forty-three thousand, five hundred thirty-nine".