287874169902 has 48 divisors (see below), whose sum is σ = 680470979760. Its totient is φ = 87229324800.

The previous prime is 287874169901. The next prime is 287874169903. The reversal of 287874169902 is 209961478782.

It is an interprime number because it is at equal distance from previous prime (287874169901) and next prime (287874169903).

It is a self number, because there is not a number n which added to its sum of digits gives 287874169902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287874169901) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4344702 + ... + 4410462.

It is an arithmetic number, because the mean of its divisors is an integer number (14176478745).

Almost surely, 2^287874169902 is an apocalyptic number.

287874169902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

287874169902 is an abundant number, since it is smaller than the sum of its proper divisors (392596809858).

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

287874169902 is a wasteful number, since it uses less digits than its factorization.

287874169902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87889 (or 87886 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 287874169902 in words is "two hundred eighty-seven billion, eight hundred seventy-four million, one hundred sixty-nine thousand, nine hundred two".