27847516994 has 16 divisors (see below), whose sum is σ = 46248795936. Its totient is φ = 12469036800.

The previous prime is 27847516993. The next prime is 27847517017. The reversal of 27847516994 is 49961574872.

It is a super-2 number, since 2×27847516994² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27847516993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9444767 + ... + 9447714.

It is an arithmetic number, because the mean of its divisors is an integer number (2890549746).

Almost surely, 2^27847516994 is an apocalyptic number.

27847516994 is a deficient number, since it is larger than the sum of its proper divisors (18401278942).

27847516994 is a wasteful number, since it uses less digits than its factorization.

27847516994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18892561.

The product of its digits is 30481920, while the sum is 62.

The spelling of 27847516994 in words is "twenty-seven billion, eight hundred forty-seven million, five hundred sixteen thousand, nine hundred ninety-four".