27870118513 has 8 divisors (see below), whose sum is σ = 28521507168. Its totient is φ = 27218877504.

The previous prime is 27870118483. The next prime is 27870118531. The reversal of 27870118513 is 31581107872.

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 27870118513 - 2²⁵ = 27836564081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27870118513.

It is not an unprimeable number, because it can be changed into a prime (27870118543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406506 + ... + 470092.

It is an arithmetic number, because the mean of its divisors is an integer number (3565188396).

Almost surely, 2^27870118513 is an apocalyptic number.

It is an amenable number.

27870118513 is a deficient number, since it is larger than the sum of its proper divisors (651388655).

27870118513 is a wasteful number, since it uses less digits than its factorization.

27870118513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73823.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 27870118513 in words is "twenty-seven billion, eight hundred seventy million, one hundred eighteen thousand, five hundred thirteen".