85265720 has 32 divisors (see below), whose sum is σ = 192190320. Its totient is φ = 34045440.

The previous prime is 85265701. The next prime is 85265743. The reversal of 85265720 is 2756258.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25760 + ... + 28880.

Almost surely, 2^85265720 is an apocalyptic number.

It is an amenable number.

85265720 is an abundant number, since it is smaller than the sum of its proper divisors (106924600).

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

85265720 is a wasteful number, since it uses less digits than its factorization.

85265720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 85265720 is about 9233.9439027969. The cubic root of 85265720 is about 440.1406575097.

The spelling of 85265720 in words is "eighty-five million, two hundred sixty-five thousand, seven hundred twenty".