27773155268 has 24 divisors (see below), whose sum is σ = 48891024000. Its totient is φ = 13804344288.

The previous prime is 27773155253. The next prime is 27773155279. The reversal of 27773155268 is 86255137772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252821 + ... + 3261347.

It is an arithmetic number, because the mean of its divisors is an integer number (2037126000).

Almost surely, 2^27773155268 is an apocalyptic number.

It is an amenable number.

27773155268 is a deficient number, since it is larger than the sum of its proper divisors (21117868732).

27773155268 is a wasteful number, since it uses less digits than its factorization.

27773155268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259 (or 13257 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 53.

The spelling of 27773155268 in words is "twenty-seven billion, seven hundred seventy-three million, one hundred fifty-five thousand, two hundred sixty-eight".