85151308722 has 16 divisors (see below), whose sum is σ = 177707079360. Its totient is φ = 27149692592.

The previous prime is 85151308681. The next prime is 85151308733. The reversal of 85151308722 is 22780315158.

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, 308519097 + ... + 308519372.

It is an arithmetic number, because the mean of its divisors is an integer number (11106692460).

Almost surely, 2^85151308722 is an apocalyptic number.

85151308722 is an abundant number, since it is smaller than the sum of its proper divisors (92555770638).

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

85151308722 is a wasteful number, since it uses less digits than its factorization.

85151308722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617038497.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 85151308722 in words is "eighty-five billion, one hundred fifty-one million, three hundred eight thousand, seven hundred twenty-two".