85814067220 has 48 divisors (see below), whose sum is σ = 205971994368. Its totient is φ = 29419361280.

The previous prime is 85814067211. The next prime is 85814067257. The reversal of 85814067220 is 2276041858.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2225505 + ... + 2263735.

It is an arithmetic number, because the mean of its divisors is an integer number (4291083216).

Almost surely, 2^85814067220 is an apocalyptic number.

It is an amenable number.

85814067220 is an abundant number, since it is smaller than the sum of its proper divisors (120157927148).

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

85814067220 is a wasteful number, since it uses less digits than its factorization.

85814067220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54280 (or 54278 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 85814067220 in words is "eighty-five billion, eight hundred fourteen million, sixty-seven thousand, two hundred twenty".