287389485365 has 24 divisors (see below), whose sum is σ = 366467697792. Its totient is φ = 216316094720.

The previous prime is 287389485323. The next prime is 287389485407. The reversal of 287389485365 is 563584983782.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (287389485323) and next prime (287389485407).

It is not a de Polignac number, because 287389485365 - 2¹⁸ = 287389223221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 287389485295 and 287389485304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4579832 + ... + 4642158.

It is an arithmetic number, because the mean of its divisors is an integer number (15269487408).

Almost surely, 2^287389485365 is an apocalyptic number.

It is an amenable number.

287389485365 is a deficient number, since it is larger than the sum of its proper divisors (79078212427).

287389485365 is a wasteful number, since it uses less digits than its factorization.

287389485365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65557 (or 65540 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 68.

The spelling of 287389485365 in words is "two hundred eighty-seven billion, three hundred eighty-nine million, four hundred eighty-five thousand, three hundred sixty-five".