85613260 has 24 divisors (see below), whose sum is σ = 179970336. Its totient is φ = 34210560.

The previous prime is 85613257. The next prime is 85613279. The reversal of 85613260 is 6231658.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28804 + ... + 31636.

It is an arithmetic number, because the mean of its divisors is an integer number (7498764).

Almost surely, 2^85613260 is an apocalyptic number.

85613260 is the 7555-th pentagonal number.

It is an amenable number.

85613260 is an abundant number, since it is smaller than the sum of its proper divisors (94357076).

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

85613260 is a wasteful number, since it uses less digits than its factorization.

85613260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353 (or 4351 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 85613260 is about 9252.7433769666. The cubic root of 85613260 is about 440.7378460196.

The spelling of 85613260 in words is "eighty-five million, six hundred thirteen thousand, two hundred sixty".