186814470028 has 12 divisors (see below), whose sum is σ = 327607842240. Its totient is φ = 93212229392.

The previous prime is 186814469999. The next prime is 186814470053. The reversal of 186814470028 is 820074418681.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48749251 + ... + 48753082.

It is an arithmetic number, because the mean of its divisors is an integer number (27300653520).

Almost surely, 2^186814470028 is an apocalyptic number.

It is an amenable number.

186814470028 is a deficient number, since it is larger than the sum of its proper divisors (140793372212).

186814470028 is a wasteful number, since it uses less digits than its factorization.

186814470028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97502816 (or 97502814 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 186814470028 in words is "one hundred eighty-six billion, eight hundred fourteen million, four hundred seventy thousand, twenty-eight".