27023156928 has 112 divisors (see below), whose sum is σ = 79522828000. Its totient is φ = 8998677504.

The previous prime is 27023156917. The next prime is 27023156929. The reversal of 27023156928 is 82965132072.

27023156928 is a `hidden beast` number, since 270 + 2 + 315 + 69 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (27023156929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1839918 + ... + 1854546.

It is an arithmetic number, because the mean of its divisors is an integer number (710025250).

Almost surely, 2^27023156928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27023156928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39761414000).

27023156928 is an abundant number, since it is smaller than the sum of its proper divisors (52499671072).

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

27023156928 is a wasteful number, since it uses less digits than its factorization.

27023156928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719 (or 15703 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 27023156928 in words is "twenty-seven billion, twenty-three million, one hundred fifty-six thousand, nine hundred twenty-eight".