27823189516 has 48 divisors (see below), whose sum is σ = 51092149248. Its totient is φ = 13232419200.

The previous prime is 27823189507. The next prime is 27823189549. The reversal of 27823189516 is 61598132872.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23759611 + ... + 23760781.

It is an arithmetic number, because the mean of its divisors is an integer number (1064419776).

Almost surely, 2^27823189516 is an apocalyptic number.

It is an amenable number.

27823189516 is a deficient number, since it is larger than the sum of its proper divisors (23268959732).

27823189516 is a wasteful number, since it uses less digits than its factorization.

27823189516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2420 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The spelling of 27823189516 in words is "twenty-seven billion, eight hundred twenty-three million, one hundred eighty-nine thousand, five hundred sixteen".