287880952 has 16 divisors (see below), whose sum is σ = 540019440. Its totient is φ = 143875776.

The previous prime is 287880919. The next prime is 287880953. The reversal of 287880952 is 259088782.

287880952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 287880896 and 287880905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287880953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14548 + ... + 28060.

It is an arithmetic number, because the mean of its divisors is an integer number (33751215).

Almost surely, 2^287880952 is an apocalyptic number.

It is an amenable number.

287880952 is a deficient number, since it is larger than the sum of its proper divisors (252138488).

287880952 is a wasteful number, since it uses less digits than its factorization.

287880952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16182 (or 16178 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 287880952 is about 16967.0549006008. The cubic root of 287880952 is about 660.2944446840.

The spelling of 287880952 in words is "two hundred eighty-seven million, eight hundred eighty thousand, nine hundred fifty-two".