27678888232 has 16 divisors (see below), whose sum is σ = 54950734260. Its totient is φ = 13025359104.

The previous prime is 27678888227. The next prime is 27678888233. The reversal of 27678888232 is 23288887672.

It can be written as a sum of positive squares in 2 ways, for example, as 27660346596 + 18541636 = 166314^2 + 4306^2 .

It is a super-2 number, since 2×27678888232² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27678888233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101760483 + ... + 101760754.

Almost surely, 2^27678888232 is an apocalyptic number.

It is an amenable number.

27678888232 is a deficient number, since it is larger than the sum of its proper divisors (27271846028).

27678888232 is a wasteful number, since it uses less digits than its factorization.

27678888232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203521260 (or 203521256 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 61.

The spelling of 27678888232 in words is "twenty-seven billion, six hundred seventy-eight million, eight hundred eighty-eight thousand, two hundred thirty-two".