27898842058 has 4 divisors (see below), whose sum is σ = 41848263090. Its totient is φ = 13949421028.

The previous prime is 27898842053. The next prime is 27898842121. The reversal of 27898842058 is 85024889872.

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

It can be written as a sum of positive squares in only one way, i.e., 26721460089 + 1177381969 = 163467^2 + 34313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27898841987 and 27898842005.

It is not an unprimeable number, because it can be changed into a prime (27898842053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6974710513 + ... + 6974710516.

Almost surely, 2^27898842058 is an apocalyptic number.

27898842058 is a deficient number, since it is larger than the sum of its proper divisors (13949421032).

27898842058 is a wasteful number, since it uses less digits than its factorization.

27898842058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949421031.

The product of its (nonzero) digits is 20643840, while the sum is 61.

The spelling of 27898842058 in words is "twenty-seven billion, eight hundred ninety-eight million, eight hundred forty-two thousand, fifty-eight".