27804974438 has 8 divisors (see below), whose sum is σ = 43145650080. Its totient is φ = 13423091080.

The previous prime is 27804974389. The next prime is 27804974441. The reversal of 27804974438 is 83447940872.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239697998 + ... + 239698113.

It is an arithmetic number, because the mean of its divisors is an integer number (5393206260).

Almost surely, 2^27804974438 is an apocalyptic number.

27804974438 is a deficient number, since it is larger than the sum of its proper divisors (15340675642).

27804974438 is a wasteful number, since it uses less digits than its factorization.

27804974438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479396142.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 27804974438 in words is "twenty-seven billion, eight hundred four million, nine hundred seventy-four thousand, four hundred thirty-eight".