287084426851 has 4 divisors (see below), whose sum is σ = 287093117304. Its totient is φ = 287075736400.

The previous prime is 287084426803. The next prime is 287084426879. The reversal of 287084426851 is 158624480782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 287084426851 - 2²⁷ = 286950209123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 287084426792 and 287084426801.

It is not an unprimeable number, because it can be changed into a prime (287084426891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295485 + ... + 4361806.

It is an arithmetic number, because the mean of its divisors is an integer number (71773279326).

Almost surely, 2^287084426851 is an apocalyptic number.

287084426851 is a deficient number, since it is larger than the sum of its proper divisors (8690453).

287084426851 is an equidigital number, since it uses as much as digits as its factorization.

287084426851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8690452.

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 287084426851 in words is "two hundred eighty-seven billion, eighty-four million, four hundred twenty-six thousand, eight hundred fifty-one".