85867638024588 has 288 divisors, whose sum is σ = 238849881016320. Its totient is φ = 23932252431360.

The previous prime is 85867638024559. The next prime is 85867638024593. The reversal of 85867638024588 is 88542083676858.

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 95 ways as a sum of consecutive naturals, for example, 2421449178 + ... + 2421484638.

It is an arithmetic number, because the mean of its divisors is an integer number (829339864640).

Almost surely, 2^{85867638024588} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85867638024588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119424940508160).

85867638024588 is an abundant number, since it is smaller than the sum of its proper divisors (152982242991732).

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

85867638024588 is a wasteful number, since it uses less digits than its factorization.

85867638024588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36077 (or 36068 counting only the distinct ones).

The product of its (nonzero) digits is 4954521600, while the sum is 78.

The spelling of 85867638024588 in words is "eighty-five trillion, eight hundred sixty-seven billion, six hundred thirty-eight million, twenty-four thousand, five hundred eighty-eight".