42378887863 has 8 divisors (see below), whose sum is σ = 45641033648. Its totient is φ = 39117060864.

The previous prime is 42378887773. The next prime is 42378887867. The reversal of 42378887863 is 36878887324.

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

It is a cyclic number.

It is not a de Polignac number, because 42378887863 - 2⁹ = 42378887351 is a prime.

It is a super-3 number, since 3×42378887863³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42378887795 and 42378887804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42378887867) 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, 245620 + ... + 380902.

It is an arithmetic number, because the mean of its divisors is an integer number (5705129206).

Almost surely, 2^42378887863 is an apocalyptic number.

42378887863 is a deficient number, since it is larger than the sum of its proper divisors (3262145785).

42378887863 is a wasteful number, since it uses less digits than its factorization.

42378887863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159393.

The product of its digits is 86704128, while the sum is 64.

The spelling of 42378887863 in words is "forty-two billion, three hundred seventy-eight million, eight hundred eighty-seven thousand, eight hundred sixty-three".