27830126856 has 64 divisors (see below), whose sum is σ = 79530238080. Its totient is φ = 7949905920.

The previous prime is 27830126827. The next prime is 27830126887. The reversal of 27830126856 is 65862103872.

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, 1051546 + ... + 1077686.

It is an arithmetic number, because the mean of its divisors is an integer number (1242659970).

Almost surely, 2^27830126856 is an apocalyptic number.

It is an amenable number.

27830126856 is an abundant number, since it is smaller than the sum of its proper divisors (51700111224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27830126856 is a wasteful number, since it uses less digits than its factorization.

27830126856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32494 (or 32490 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 27830126856 in words is "twenty-seven billion, eight hundred thirty million, one hundred twenty-six thousand, eight hundred fifty-six".