42850471187117 has 16 divisors (see below), whose sum is σ = 47540755353600. Its totient is φ = 38292720437040.

The previous prime is 42850471187113. The next prime is 42850471187119. The reversal of 42850471187117 is 71178117405824.

It is a cyclic number.

It is not a de Polignac number, because 42850471187117 - 2² = 42850471187113 is a prime.

It is a super-3 number, since 3×42850471187117³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42850471187113) 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, 10784948 + ... + 14213234.

It is an arithmetic number, because the mean of its divisors is an integer number (2971297209600).

Almost surely, 2^{42850471187117} is an apocalyptic number.

It is an amenable number.

42850471187117 is a deficient number, since it is larger than the sum of its proper divisors (4690284166483).

42850471187117 is a wasteful number, since it uses less digits than its factorization.

42850471187117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447616.

The product of its (nonzero) digits is 3512320, while the sum is 56.

The spelling of 42850471187117 in words is "forty-two trillion, eight hundred fifty billion, four hundred seventy-one million, one hundred eighty-seven thousand, one hundred seventeen".