287902848425 has 12 divisors (see below), whose sum is σ = 357006548556. Its totient is φ = 230317752000.

The previous prime is 287902848421. The next prime is 287902848437. The reversal of 287902848425 is 524848209782.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 57103315369 + 230799533056 = 238963^2 + 480416^2 .

It is not a de Polignac number, because 287902848425 - 2² = 287902848421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (287902848421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1856375 + ... + 2005475.

It is an arithmetic number, because the mean of its divisors is an integer number (29750545713).

Almost surely, 2^287902848425 is an apocalyptic number.

287902848425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

287902848425 is a deficient number, since it is larger than the sum of its proper divisors (69103700131).

287902848425 is a wasteful number, since it uses less digits than its factorization.

287902848425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226348 (or 226343 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 287902848425 in words is "two hundred eighty-seven billion, nine hundred two million, eight hundred forty-eight thousand, four hundred twenty-five".