27217046892 has 96 divisors (see below), whose sum is σ = 74419914240. Its totient is φ = 7579399680.

The previous prime is 27217046881. The next prime is 27217046929. The reversal of 27217046892 is 29864071272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4332858 + ... + 4339134.

It is an arithmetic number, because the mean of its divisors is an integer number (775207440).

Almost surely, 2^27217046892 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 27217046892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37209957120).

27217046892 is an abundant number, since it is smaller than the sum of its proper divisors (47202867348).

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

27217046892 is a wasteful number, since it uses less digits than its factorization.

27217046892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 27217046892 in words is "twenty-seven billion, two hundred seventeen million, forty-six thousand, eight hundred ninety-two".