287860867052 has 24 divisors (see below), whose sum is σ = 550097299920. Its totient is φ = 130716149760.

The previous prime is 287860867003. The next prime is 287860867087. The reversal of 287860867052 is 250768068782.

It is a junction number, because it is equal to n+sod(n) for n = 287860866982 and 287860867000.

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, 3197573 + ... + 3286364.

It is an arithmetic number, because the mean of its divisors is an integer number (22920720830).

Almost surely, 2^287860867052 is an apocalyptic number.

287860867052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

287860867052 is a deficient number, since it is larger than the sum of its proper divisors (262236432868).

287860867052 is a wasteful number, since it uses less digits than its factorization.

287860867052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484961 (or 6484959 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 287860867052 in words is "two hundred eighty-seven billion, eight hundred sixty million, eight hundred sixty-seven thousand, fifty-two".