27138577015 has 8 divisors (see below), whose sum is σ = 35526864528. Its totient is φ = 19737146880.

The previous prime is 27138577003. The next prime is 27138577031. The reversal of 27138577015 is 51077583172.

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

It is not a de Polignac number, because 27138577015 - 2⁹ = 27138576503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 246714282 + ... + 246714391.

It is an arithmetic number, because the mean of its divisors is an integer number (4440858066).

Almost surely, 2^27138577015 is an apocalyptic number.

27138577015 is a deficient number, since it is larger than the sum of its proper divisors (8388287513).

27138577015 is a wasteful number, since it uses less digits than its factorization.

27138577015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493428689.

The product of its (nonzero) digits is 411600, while the sum is 46.

The spelling of 27138577015 in words is "twenty-seven billion, one hundred thirty-eight million, five hundred seventy-seven thousand, fifteen".