42787306259 has 8 divisors (see below), whose sum is σ = 43423990320. Its totient is φ = 42151988736.

The previous prime is 42787306229. The next prime is 42787306283. The reversal of 42787306259 is 95260378724.

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-42787306259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42787306259.

It is not an unprimeable number, because it can be changed into a prime (42787306229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278462 + ... + 403875.

It is an arithmetic number, because the mean of its divisors is an integer number (5427998790).

Almost surely, 2^42787306259 is an apocalyptic number.

42787306259 is a deficient number, since it is larger than the sum of its proper divisors (636684061).

42787306259 is an equidigital number, since it uses as much as digits as its factorization.

42787306259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683269.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 42787306259 in words is "forty-two billion, seven hundred eighty-seven million, three hundred six thousand, two hundred fifty-nine".