85222710771 has 16 divisors (see below), whose sum is σ = 124164553728. Its totient is φ = 51565024800.

The previous prime is 85222710743. The next prime is 85222710869. The reversal of 85222710771 is 17701722258.

It is not a de Polignac number, because 85222710771 - 2⁵ = 85222710739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85222710071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107240 + ... + 2147301.

It is an arithmetic number, because the mean of its divisors is an integer number (7760284608).

Almost surely, 2^85222710771 is an apocalyptic number.

85222710771 is a deficient number, since it is larger than the sum of its proper divisors (38941842957).

85222710771 is a wasteful number, since it uses less digits than its factorization.

85222710771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255162.

The product of its (nonzero) digits is 109760, while the sum is 42.

The spelling of 85222710771 in words is "eighty-five billion, two hundred twenty-two million, seven hundred ten thousand, seven hundred seventy-one".