27581248006 has 32 divisors (see below), whose sum is σ = 46322343648. Its totient is φ = 12233928960.

The previous prime is 27581247997. The next prime is 27581248063. The reversal of 27581248006 is 60084218572.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121665 + ... + 264508.

It is an arithmetic number, because the mean of its divisors is an integer number (1447573239).

Almost surely, 2^27581248006 is an apocalyptic number.

27581248006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27581248006 is a deficient number, since it is larger than the sum of its proper divisors (18741095642).

27581248006 is a wasteful number, since it uses less digits than its factorization.

27581248006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386296.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 27581248006 in words is "twenty-seven billion, five hundred eighty-one million, two hundred forty-eight thousand, six".