27766417432 has 48 divisors (see below), whose sum is σ = 56497897440. Its totient is φ = 12787302528.

The previous prime is 27766417421. The next prime is 27766417439. The reversal of 27766417432 is 23471466772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27766417439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603798 + ... + 648154.

It is an arithmetic number, because the mean of its divisors is an integer number (1177039530).

Almost surely, 2^27766417432 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 27766417432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28248948720).

27766417432 is an abundant number, since it is smaller than the sum of its proper divisors (28731480008).

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

27766417432 is a wasteful number, since it uses less digits than its factorization.

27766417432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44852 (or 44835 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 49.

The spelling of 27766417432 in words is "twenty-seven billion, seven hundred sixty-six million, four hundred seventeen thousand, four hundred thirty-two".