42863817672 has 48 divisors (see below), whose sum is σ = 125019470940. Its totient is φ = 13188866688.

The previous prime is 42863817617. The next prime is 42863817719. The reversal of 42863817672 is 27671836824.

42863817672 is a `hidden beast` number, since 428 + 6 + 3 + 81 + 76 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36475652196 + 6388165476 = 190986^2 + 79926^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22896403 + ... + 22898274.

Almost surely, 2^42863817672 is an apocalyptic number.

It is an amenable number.

42863817672 is an abundant number, since it is smaller than the sum of its proper divisors (82155653268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42863817672 is a wasteful number, since it uses less digits than its factorization.

42863817672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45794702 (or 45794695 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 42863817672 in words is "forty-two billion, eight hundred sixty-three million, eight hundred seventeen thousand, six hundred seventy-two".