27838850054 has 4 divisors (see below), whose sum is σ = 41758275084. Its totient is φ = 13919425026.

The previous prime is 27838850047. The next prime is 27838850057. The reversal of 27838850054 is 45005883872.

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 = 27838849984 and 27838850011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27838850057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959712512 + ... + 6959712515.

It is an arithmetic number, because the mean of its divisors is an integer number (10439568771).

Almost surely, 2^27838850054 is an apocalyptic number.

27838850054 is a deficient number, since it is larger than the sum of its proper divisors (13919425030).

27838850054 is a wasteful number, since it uses less digits than its factorization.

27838850054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13919425029.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 27838850054 in words is "twenty-seven billion, eight hundred thirty-eight million, eight hundred fifty thousand, fifty-four".