85620568 has 80 divisors (see below), whose sum is σ = 191327400. Its totient is φ = 35777280.

The previous prime is 85620529. The next prime is 85620569. The reversal of 85620568 is 86502658.

It is a self number, because there is not a number n which added to its sum of digits gives 85620568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85620569) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1991155 + ... + 1991197.

Almost surely, 2^85620568 is an apocalyptic number.

85620568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85620568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95663700).

85620568 is an abundant number, since it is smaller than the sum of its proper divisors (105706832).

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

85620568 is a wasteful number, since it uses less digits than its factorization.

85620568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 85620568 is about 9253.1382784437. The cubic root of 85620568 is about 440.7503862131.

The spelling of 85620568 in words is "eighty-five million, six hundred twenty thousand, five hundred sixty-eight".