27801916046 has 4 divisors (see below), whose sum is σ = 41702874072. Its totient is φ = 13900958022.

The previous prime is 27801916039. The next prime is 27801916067. The reversal of 27801916046 is 64061910872.

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 = 27801915988 and 27801916006.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6950479010 + ... + 6950479013.

It is an arithmetic number, because the mean of its divisors is an integer number (10425718518).

Almost surely, 2^27801916046 is an apocalyptic number.

27801916046 is a deficient number, since it is larger than the sum of its proper divisors (13900958026).

27801916046 is a wasteful number, since it uses less digits than its factorization.

27801916046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13900958025.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 27801916046 in words is "twenty-seven billion, eight hundred one million, nine hundred sixteen thousand, forty-six".