42847420863085 has 16 divisors (see below), whose sum is σ = 52806770729856. Its totient is φ = 33351367267008.

The previous prime is 42847420863073. The next prime is 42847420863113. The reversal of 42847420863085 is 58036802474824.

It is a happy number.

42847420863085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42847420863085 - 2⁵ = 42847420863053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85457392 + ... + 85957318.

It is an arithmetic number, because the mean of its divisors is an integer number (3300423170616).

Almost surely, 2^{42847420863085} is an apocalyptic number.

It is an amenable number.

42847420863085 is a deficient number, since it is larger than the sum of its proper divisors (9959349866771).

42847420863085 is a wasteful number, since it uses less digits than its factorization.

42847420863085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963252.

The product of its (nonzero) digits is 82575360, while the sum is 61.

The spelling of 42847420863085 in words is "forty-two trillion, eight hundred forty-seven billion, four hundred twenty million, eight hundred sixty-three thousand, eighty-five".