85570338 has 64 divisors (see below), whose sum is σ = 207498240. Its totient is φ = 22980672.

The previous prime is 85570313. The next prime is 85570343. The reversal of 85570338 is 83307558.

It is a junction number, because it is equal to n+sod(n) for n = 85570296 and 85570305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124945 + ... + 125627.

It is an arithmetic number, because the mean of its divisors is an integer number (3242160).

Almost surely, 2^85570338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85570338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103749120).

85570338 is an abundant number, since it is smaller than the sum of its proper divisors (121927902).

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

85570338 is a wasteful number, since it uses less digits than its factorization.

85570338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 85570338 is about 9250.4236659734. The cubic root of 85570338 is about 440.6641794245.

The spelling of 85570338 in words is "eighty-five million, five hundred seventy thousand, three hundred thirty-eight".