287878411056 has 40 divisors (see below), whose sum is σ = 743720793664. Its totient is φ = 95954967360.

The previous prime is 287878411027. The next prime is 287878411063. The reversal of 287878411056 is 650114878782.

It is a junction number, because it is equal to n+sod(n) for n = 287878410987 and 287878411005.

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, 985791 + ... + 1244001.

Almost surely, 2^287878411056 is an apocalyptic number.

It is an amenable number.

287878411056 is an abundant number, since it is smaller than the sum of its proper divisors (455842382608).

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

287878411056 is a wasteful number, since it uses less digits than its factorization.

287878411056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281449 (or 281443 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 287878411056 in words is "two hundred eighty-seven billion, eight hundred seventy-eight million, four hundred eleven thousand, fifty-six".