84175925851 has 16 divisors (see below), whose sum is σ = 87215581440. Its totient is φ = 81179491680.

The previous prime is 84175925843. The next prime is 84175925863. The reversal of 84175925851 is 15852957148.

It is a cyclic number.

It is not a de Polignac number, because 84175925851 - 2³ = 84175925843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84175925792 and 84175925801.

It is not an unprimeable number, because it can be changed into a prime (84175925831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2039320 + ... + 2080186.

It is an arithmetic number, because the mean of its divisors is an integer number (5450973840).

Almost surely, 2^84175925851 is an apocalyptic number.

84175925851 is a deficient number, since it is larger than the sum of its proper divisors (3039655589).

84175925851 is a wasteful number, since it uses less digits than its factorization.

84175925851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41394.

The product of its digits is 4032000, while the sum is 55.

The spelling of 84175925851 in words is "eighty-four billion, one hundred seventy-five million, nine hundred twenty-five thousand, eight hundred fifty-one".