85869263 has 4 divisors (see below), whose sum is σ = 85890408. Its totient is φ = 85848120.

The previous prime is 85869257. The next prime is 85869283. The reversal of 85869263 is 36296858.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85869263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85869283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (21472602).

Almost surely, 2^85869263 is an apocalyptic number.

85869263 is a deficient number, since it is larger than the sum of its proper divisors (21145).

85869263 is a wasteful number, since it uses less digits than its factorization.

85869263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21144.

The product of its digits is 622080, while the sum is 47.

The square root of 85869263 is about 9266.5669479047. The cubic root of 85869263 is about 441.1767108039.

The spelling of 85869263 in words is "eighty-five million, eight hundred sixty-nine thousand, two hundred sixty-three".