27811162832 has 10 divisors (see below), whose sum is σ = 53884128018. Its totient is φ = 13905581408.

The previous prime is 27811162829. The next prime is 27811162837. The reversal of 27811162832 is 23826111872.

It can be written as a sum of positive squares in only one way, i.e., 20610622096 + 7200540736 = 143564^2 + 84856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27811162832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27811162837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869098823 + ... + 869098854.

Almost surely, 2^27811162832 is an apocalyptic number.

It is an amenable number.

27811162832 is a deficient number, since it is larger than the sum of its proper divisors (26072965186).

27811162832 is a wasteful number, since it uses less digits than its factorization.

27811162832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738197685 (or 1738197679 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The spelling of 27811162832 in words is "twenty-seven billion, eight hundred eleven million, one hundred sixty-two thousand, eight hundred thirty-two".