87836860212 has 24 divisors (see below), whose sum is σ = 204958084800. Its totient is φ = 29278180416.

The previous prime is 87836860151. The next prime is 87836860213. The reversal of 87836860212 is 21206863878.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87836860213) 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, 549864 + ... + 691392.

It is an arithmetic number, because the mean of its divisors is an integer number (8539920200).

Almost surely, 2^87836860212 is an apocalyptic number.

It is an amenable number.

87836860212 is an abundant number, since it is smaller than the sum of its proper divisors (117121224588).

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

87836860212 is a wasteful number, since it uses less digits than its factorization.

87836860212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193255 (or 193253 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 87836860212 in words is "eighty-seven billion, eight hundred thirty-six million, eight hundred sixty thousand, two hundred twelve".