27693334154 has 8 divisors (see below), whose sum is σ = 41755234980. Its totient is φ = 13774922496.

The previous prime is 27693334139. The next prime is 27693334177. The reversal of 27693334154 is 45143339672.

It can be written as a sum of positive squares in 2 ways, for example, as 27679975129 + 13359025 = 166373^2 + 3655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27693334099 and 27693334108.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35871809 + ... + 35872580.

Almost surely, 2^27693334154 is an apocalyptic number.

27693334154 is a deficient number, since it is larger than the sum of its proper divisors (14061900826).

27693334154 is a wasteful number, since it uses less digits than its factorization.

27693334154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71744584.

The product of its digits is 1632960, while the sum is 47.

The spelling of 27693334154 in words is "twenty-seven billion, six hundred ninety-three million, three hundred thirty-four thousand, one hundred fifty-four".