85867842011570 has 64 divisors (see below), whose sum is σ = 160574256009216. Its totient is φ = 33025385802240.

The previous prime is 85867842011569. The next prime is 85867842011573. The reversal of 85867842011570 is 7511024876858.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (85867842011573) 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 31 ways as a sum of consecutive naturals, for example, 944979959 + ... + 945070821.

It is an arithmetic number, because the mean of its divisors is an integer number (2508972750144).

Almost surely, 2^{85867842011570} is an apocalyptic number.

85867842011570 is a deficient number, since it is larger than the sum of its proper divisors (74706413997646).

85867842011570 is a wasteful number, since it uses less digits than its factorization.

85867842011570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110475.

The product of its (nonzero) digits is 30105600, while the sum is 62.

The spelling of 85867842011570 in words is "eighty-five trillion, eight hundred sixty-seven billion, eight hundred forty-two million, eleven thousand, five hundred seventy".