27783078058 has 4 divisors (see below), whose sum is σ = 41674617090. Its totient is φ = 13891539028.

The previous prime is 27783078047. The next prime is 27783078067. The reversal of 27783078058 is 85087038772.

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., 27202894489 + 580183569 = 164933^2 + 24087^2 .

It is a super-3 number, since 3×27783078058³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945769513 + ... + 6945769516.

Almost surely, 2^27783078058 is an apocalyptic number.

27783078058 is a deficient number, since it is larger than the sum of its proper divisors (13891539032).

27783078058 is a wasteful number, since it uses less digits than its factorization.

27783078058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891539031.

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 27783078058 in words is "twenty-seven billion, seven hundred eighty-three million, seventy-eight thousand, fifty-eight".