27890134354 has 8 divisors (see below), whose sum is σ = 42459607728. Its totient is φ = 13736931780.

The previous prime is 27890134291. The next prime is 27890134361. The reversal of 27890134354 is 45343109872.

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

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, 104067532 + ... + 104067799.

It is an arithmetic number, because the mean of its divisors is an integer number (5307450966).

Almost surely, 2^27890134354 is an apocalyptic number.

27890134354 is a deficient number, since it is larger than the sum of its proper divisors (14569473374).

27890134354 is a wasteful number, since it uses less digits than its factorization.

27890134354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208135400.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 27890134354 in words is "twenty-seven billion, eight hundred ninety million, one hundred thirty-four thousand, three hundred fifty-four".