27667845946 has 16 divisors (see below), whose sum is σ = 44766676584. Its totient is φ = 12749071104.

The previous prime is 27667845943. The next prime is 27667845973. The reversal of 27667845946 is 64954876672.

It can be written as a sum of positive squares in 4 ways, for example, as 3754625625 + 23913220321 = 61275^2 + 154639^2 .

It is not an unprimeable number, because it can be changed into a prime (27667845943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 846315 + ... + 878398.

Almost surely, 2^27667845946 is an apocalyptic number.

27667845946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27667845946 is a deficient number, since it is larger than the sum of its proper divisors (17098830638).

27667845946 is a wasteful number, since it uses less digits than its factorization.

27667845946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725345.

The product of its digits is 121927680, while the sum is 64.

It can be divided in two parts, 276678 and 45946, that added together give a square (322624 = 568²).

The spelling of 27667845946 in words is "twenty-seven billion, six hundred sixty-seven million, eight hundred forty-five thousand, nine hundred forty-six".