287836860212 has 12 divisors (see below), whose sum is σ = 549506733216. Its totient is φ = 130834936440.

The previous prime is 287836860197. The next prime is 287836860229. The reversal of 287836860212 is 212068638782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270873368 + ... + 3270873455.

It is an arithmetic number, because the mean of its divisors is an integer number (45792227768).

Almost surely, 2^287836860212 is an apocalyptic number.

287836860212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

287836860212 is a deficient number, since it is larger than the sum of its proper divisors (261669873004).

287836860212 is a wasteful number, since it uses less digits than its factorization.

287836860212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541746838 (or 6541746836 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 287836860212 in words is "two hundred eighty-seven billion, eight hundred thirty-six million, eight hundred sixty thousand, two hundred twelve".