85867583833420 has 24 divisors (see below), whose sum is σ = 180333899455248. Its totient is φ = 34344752884800.

The previous prime is 85867583833417. The next prime is 85867583833487. The reversal of 85867583833420 is 2433838576858.

It is a self number, because there is not a number n which added to its sum of digits gives 85867583833420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142231786 + ... + 142834225.

It is an arithmetic number, because the mean of its divisors is an integer number (7513912477302).

Almost surely, 2^{85867583833420} is an apocalyptic number.

It is an amenable number.

85867583833420 is an abundant number, since it is smaller than the sum of its proper divisors (94466315621828).

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

85867583833420 is a wasteful number, since it uses less digits than its factorization.

85867583833420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285081081 (or 285081079 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 70.

The spelling of 85867583833420 in words is "eighty-five trillion, eight hundred sixty-seven billion, five hundred eighty-three million, eight hundred thirty-three thousand, four hundred twenty".