185987969268 has 24 divisors (see below), whose sum is σ = 439465246080. Its totient is φ = 61211230080.

The previous prime is 185987969249. The next prime is 185987969269. The reversal of 185987969268 is 862969789581.

It is a junction number, because it is equal to n+sod(n) for n = 185987969193 and 185987969202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185987969269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98093973 + ... + 98095868.

It is an arithmetic number, because the mean of its divisors is an integer number (18311051920).

Almost surely, 2^185987969268 is an apocalyptic number.

It is an amenable number.

185987969268 is an abundant number, since it is smaller than the sum of its proper divisors (253477276812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185987969268 is a wasteful number, since it uses less digits than its factorization.

185987969268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196189927 (or 196189925 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 78.

The spelling of 185987969268 in words is "one hundred eighty-five billion, nine hundred eighty-seven million, nine hundred sixty-nine thousand, two hundred sixty-eight".