27808067356 has 48 divisors (see below), whose sum is σ = 53405352000. Its totient is φ = 12615533568.

The previous prime is 27808067347. The next prime is 27808067359. The reversal of 27808067356 is 65376080872.

It is a super-2 number, since 2×27808067356² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27808067359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223545 + ... + 324943.

It is an arithmetic number, because the mean of its divisors is an integer number (1112611500).

Almost surely, 2^27808067356 is an apocalyptic number.

It is an amenable number.

27808067356 is a deficient number, since it is larger than the sum of its proper divisors (25597284644).

27808067356 is a wasteful number, since it uses less digits than its factorization.

27808067356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101566 (or 101564 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 27808067356 in words is "twenty-seven billion, eight hundred eight million, sixty-seven thousand, three hundred fifty-six".