85029836722 has 4 divisors (see below), whose sum is σ = 127544755086. Its totient is φ = 42514918360.

The previous prime is 85029836719. The next prime is 85029836741. The reversal of 85029836722 is 22763892058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79885934881 + 5143901841 = 282641^2 + 71721^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85029836722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21257459179 + ... + 21257459182.

Almost surely, 2^85029836722 is an apocalyptic number.

85029836722 is a deficient number, since it is larger than the sum of its proper divisors (42514918364).

85029836722 is a wasteful number, since it uses less digits than its factorization.

85029836722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42514918363.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 85029836722 in words is "eighty-five billion, twenty-nine million, eight hundred thirty-six thousand, seven hundred twenty-two".