42865647737875 has 32 divisors (see below), whose sum is σ = 54597613232448. Its totient is φ = 33588748710400.

The previous prime is 42865647737873. The next prime is 42865647737929. The reversal of 42865647737875 is 57873774656824.

It is not a de Polignac number, because 42865647737875 - 2¹ = 42865647737873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42865647737795 and 42865647737804.

It is not an unprimeable number, because it can be changed into a prime (42865647737873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1526929 + ... + 9384178.

It is an arithmetic number, because the mean of its divisors is an integer number (1706175413514).

Almost surely, 2^{42865647737875} is an apocalyptic number.

42865647737875 is a deficient number, since it is larger than the sum of its proper divisors (11731965494573).

42865647737875 is a wasteful number, since it uses less digits than its factorization.

42865647737875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911768 (or 10911758 counting only the distinct ones).

The product of its digits is 13276569600, while the sum is 79.

The spelling of 42865647737875 in words is "forty-two trillion, eight hundred sixty-five billion, six hundred forty-seven million, seven hundred thirty-seven thousand, eight hundred seventy-five".