27677706454 has 4 divisors (see below), whose sum is σ = 41516559684. Its totient is φ = 13838853226.

The previous prime is 27677706439. The next prime is 27677706493. The reversal of 27677706454 is 45460777672.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 27677706395 and 27677706404.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6919426612 + ... + 6919426615.

It is an arithmetic number, because the mean of its divisors is an integer number (10379139921).

Almost surely, 2^27677706454 is an apocalyptic number.

27677706454 is a deficient number, since it is larger than the sum of its proper divisors (13838853230).

27677706454 is a wasteful number, since it uses less digits than its factorization.

27677706454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838853229.

The product of its (nonzero) digits is 13829760, while the sum is 55.

The spelling of 27677706454 in words is "twenty-seven billion, six hundred seventy-seven million, seven hundred six thousand, four hundred fifty-four".