42868404287 has 4 divisors (see below), whose sum is σ = 42881791320. Its totient is φ = 42855017256.

The previous prime is 42868404259. The next prime is 42868404289. The reversal of 42868404287 is 78240486824.

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 42868404287 - 2⁸ = 42868404031 is a prime.

It is a super-2 number, since 2×42868404287² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42868404289) 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 3 ways as a sum of consecutive naturals, for example, 6688712 + ... + 6695117.

It is an arithmetic number, because the mean of its divisors is an integer number (10720447830).

Almost surely, 2^42868404287 is an apocalyptic number.

42868404287 is a deficient number, since it is larger than the sum of its proper divisors (13387033).

42868404287 is a wasteful number, since it uses less digits than its factorization.

42868404287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387032.

The product of its (nonzero) digits is 5505024, while the sum is 53.

The spelling of 42868404287 in words is "forty-two billion, eight hundred sixty-eight million, four hundred four thousand, two hundred eighty-seven".