85069831456 has 48 divisors (see below), whose sum is σ = 173670739200. Its totient is φ = 40969992448.

The previous prime is 85069831433. The next prime is 85069831463. The reversal of 85069831456 is 65413896058.

It is a junction number, because it is equal to n+sod(n) for n = 85069831397 and 85069831406.

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, 279441 + ... + 498223.

It is an arithmetic number, because the mean of its divisors is an integer number (3618140400).

Almost surely, 2^85069831456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85069831456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86835369600).

85069831456 is an abundant number, since it is smaller than the sum of its proper divisors (88600907744).

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

85069831456 is a wasteful number, since it uses less digits than its factorization.

85069831456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219241 (or 219233 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 85069831456 in words is "eighty-five billion, sixty-nine million, eight hundred thirty-one thousand, four hundred fifty-six".