187284218064 has 40 divisors (see below), whose sum is σ = 483833095200. Its totient is φ = 62426068608.

The previous prime is 187284218057. The next prime is 187284218081. The reversal of 187284218064 is 460812482781.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 187284217998 and 187284218016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755174 + ... + 2822330.

It is an arithmetic number, because the mean of its divisors is an integer number (12095827380).

Almost surely, 2^187284218064 is an apocalyptic number.

It is an amenable number.

187284218064 is an abundant number, since it is smaller than the sum of its proper divisors (296548877136).

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

187284218064 is a wasteful number, since it uses less digits than its factorization.

187284218064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125267 (or 125261 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 187284218064 in words is "one hundred eighty-seven billion, two hundred eighty-four million, two hundred eighteen thousand, sixty-four".