287475889073 has 8 divisors (see below), whose sum is σ = 292197376296. Its totient is φ = 282754684800.

The previous prime is 287475889027. The next prime is 287475889117. The reversal of 287475889073 is 370988574782.

It can be written as a sum of positive squares in 4 ways, for example, as 82686152704 + 204789736369 = 287552^2 + 452537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287475889073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 287475888994 and 287475889012.

It is not an unprimeable number, because it can be changed into a prime (287435889073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236333 + ... + 3323973.

It is an arithmetic number, because the mean of its divisors is an integer number (36524672037).

Almost surely, 2^287475889073 is an apocalyptic number.

It is an amenable number.

287475889073 is a deficient number, since it is larger than the sum of its proper divisors (4721487223).

287475889073 is an equidigital number, since it uses as much as digits as its factorization.

287475889073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141475.

The product of its (nonzero) digits is 189665280, while the sum is 68.

The spelling of 287475889073 in words is "two hundred eighty-seven billion, four hundred seventy-five million, eight hundred eighty-nine thousand, seventy-three".