27149025086 has 4 divisors (see below), whose sum is σ = 40723537632. Its totient is φ = 13574512542.

The previous prime is 27149025073. The next prime is 27149025097. The reversal of 27149025086 is 68052094172.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6787256270 + ... + 6787256273.

It is an arithmetic number, because the mean of its divisors is an integer number (10180884408).

Almost surely, 2^27149025086 is an apocalyptic number.

27149025086 is a deficient number, since it is larger than the sum of its proper divisors (13574512546).

27149025086 is a wasteful number, since it uses less digits than its factorization.

27149025086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13574512545.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 27149025086 in words is "twenty-seven billion, one hundred forty-nine million, twenty-five thousand, eighty-six".