27256327968 has 48 divisors (see below), whose sum is σ = 71986846176. Its totient is φ = 9029698560.

The previous prime is 27256327961. The next prime is 27256328023. The reversal of 27256327968 is 86972365272.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (27256327961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855273 + ... + 886568.

It is an arithmetic number, because the mean of its divisors is an integer number (1499725962).

Almost surely, 2^27256327968 is an apocalyptic number.

It is an amenable number.

27256327968 is an abundant number, since it is smaller than the sum of its proper divisors (44730518208).

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

27256327968 is a wasteful number, since it uses less digits than its factorization.

27256327968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742017 (or 1742009 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 27256327968 in words is "twenty-seven billion, two hundred fifty-six million, three hundred twenty-seven thousand, nine hundred sixty-eight".