287797116 has 12 divisors (see below), whose sum is σ = 671526632. Its totient is φ = 95932368.

The previous prime is 287797099. The next prime is 287797127. The reversal of 287797116 is 611797782.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11991535 + ... + 11991558.

Almost surely, 2^287797116 is an apocalyptic number.

It is an amenable number.

287797116 is an abundant number, since it is smaller than the sum of its proper divisors (383729516).

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

287797116 is a wasteful number, since it uses less digits than its factorization.

287797116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23983100 (or 23983098 counting only the distinct ones).

The product of its digits is 296352, while the sum is 48.

The square root of 287797116 is about 16964.5841682017. The cubic root of 287797116 is about 660.2303420065.

The spelling of 287797116 in words is "two hundred eighty-seven million, seven hundred ninety-seven thousand, one hundred sixteen".