85871423142120 has 256 divisors, whose sum is σ = 321990461798400. Its totient is φ = 17798466216960.

The previous prime is 85871423142103. The next prime is 85871423142149. The reversal of 85871423142120 is 2124132417858.

It is a self number, because there is not a number n which added to its sum of digits gives 85871423142120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8036310 + ... + 15372869.

It is an arithmetic number, because the mean of its divisors is an integer number (1257775241400).

Almost surely, 2^{85871423142120} is an apocalyptic number.

It is an amenable number.

85871423142120 is an abundant number, since it is smaller than the sum of its proper divisors (236119038656280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85871423142120 is a wasteful number, since it uses less digits than its factorization.

85871423142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409608 (or 23409604 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

Adding to 85871423142120 its reverse (2124132417858), we get a palindrome (87995555559978).

The spelling of 85871423142120 in words is "eighty-five trillion, eight hundred seventy-one billion, four hundred twenty-three million, one hundred forty-two thousand, one hundred twenty".