42845944974087 has 16 divisors (see below), whose sum is σ = 57258516373632. Its totient is φ = 28498742271840.

The previous prime is 42845944974059. The next prime is 42845944974121. The reversal of 42845944974087 is 78047944954824.

It is not a de Polignac number, because 42845944974087 - 2¹⁴ = 42845944957703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42845944974887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6905773 + ... + 11549094.

It is an arithmetic number, because the mean of its divisors is an integer number (3578657273352).

Almost surely, 2^{42845944974087} is an apocalyptic number.

42845944974087 is a deficient number, since it is larger than the sum of its proper divisors (14412571399545).

42845944974087 is a wasteful number, since it uses less digits than its factorization.

42845944974087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18456638.

The product of its (nonzero) digits is 2601123840, while the sum is 75.

The spelling of 42845944974087 in words is "forty-two trillion, eight hundred forty-five billion, nine hundred forty-four million, nine hundred seventy-four thousand, eighty-seven".