287140480902 has 32 divisors (see below), whose sum is σ = 696098136960. Its totient is φ = 87012266760.

The previous prime is 287140480889. The next prime is 287140480933. The reversal of 287140480902 is 209084041782.

287140480902 is a `hidden beast` number, since 2 + 87 + 1 + 4 + 0 + 480 + 90 + 2 = 666.

It is a super-3 number, since 3×287140480902³ (a number of 35 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 241700148 + ... + 241701335.

It is an arithmetic number, because the mean of its divisors is an integer number (21753066780).

Almost surely, 2^287140480902 is an apocalyptic number.

287140480902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

287140480902 is an abundant number, since it is smaller than the sum of its proper divisors (408957656058).

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

287140480902 is a wasteful number, since it uses less digits than its factorization.

287140480902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483401505 (or 483401499 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 287140480902 in words is "two hundred eighty-seven billion, one hundred forty million, four hundred eighty thousand, nine hundred two".