185327001997 has 48 divisors (see below), whose sum is σ = 205611056640. Its totient is φ = 166629022560.

The previous prime is 185327001983. The next prime is 185327002057. The reversal of 185327001997 is 799100723581.

It is a de Polignac number, because none of the positive numbers 2^k-185327001997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185327007997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215746954 + ... + 215747812.

It is an arithmetic number, because the mean of its divisors is an integer number (4283563680).

Almost surely, 2^185327001997 is an apocalyptic number.

It is an amenable number.

185327001997 is a deficient number, since it is larger than the sum of its proper divisors (20284054643).

185327001997 is a wasteful number, since it uses less digits than its factorization.

185327001997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 185327001997 in words is "one hundred eighty-five billion, three hundred twenty-seven million, one thousand, nine hundred ninety-seven".