42705008847 has 6 divisors (see below), whose sum is σ = 61685012792. Its totient is φ = 28470005892.

The previous prime is 42705008809. The next prime is 42705008849. The reversal of 42705008847 is 74880050724.

42705008847 is a `hidden beast` number, since 4 + 27 + 0 + 500 + 88 + 47 = 666.

It is not a de Polignac number, because 42705008847 - 2⁶ = 42705008783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42705008849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2372500483 + ... + 2372500500.

Almost surely, 2^42705008847 is an apocalyptic number.

42705008847 is a deficient number, since it is larger than the sum of its proper divisors (18980003945).

42705008847 is a wasteful number, since it uses less digits than its factorization.

42705008847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745000989 (or 4745000986 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 42705008847 in words is "forty-two billion, seven hundred five million, eight thousand, eight hundred forty-seven".