187298228968 has 8 divisors (see below), whose sum is σ = 351184179330. Its totient is φ = 93649114480.

The previous prime is 187298228933. The next prime is 187298229017. The reversal of 187298228968 is 869822892781.

It can be written as a sum of positive squares in only one way, i.e., 143718326404 + 43579902564 = 379102^2 + 208758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 187298228897 and 187298228906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11706139303 + ... + 11706139318.

Almost surely, 2^187298228968 is an apocalyptic number.

It is an amenable number.

187298228968 is a deficient number, since it is larger than the sum of its proper divisors (163885950362).

187298228968 is a wasteful number, since it uses less digits than its factorization.

187298228968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412278627 (or 23412278623 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 70.

The spelling of 187298228968 in words is "one hundred eighty-seven billion, two hundred ninety-eight million, two hundred twenty-eight thousand, nine hundred sixty-eight".