27677043123 has 16 divisors (see below), whose sum is σ = 38679889920. Its totient is φ = 17569975104.

The previous prime is 27677043109. The next prime is 27677043127. The reversal of 27677043123 is 32134077672.

It is a happy number.

It is not a de Polignac number, because 27677043123 - 2⁵ = 27677043091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27677043127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883978 + ... + 914751.

It is an arithmetic number, because the mean of its divisors is an integer number (2417493120).

Almost surely, 2^27677043123 is an apocalyptic number.

27677043123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

27677043123 is a deficient number, since it is larger than the sum of its proper divisors (11002846797).

27677043123 is a wasteful number, since it uses less digits than its factorization.

27677043123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798978.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 27677043123 in words is "twenty-seven billion, six hundred seventy-seven million, forty-three thousand, one hundred twenty-three".