85869013 has 8 divisors (see below), whose sum is σ = 87608160. Its totient is φ = 84139440.

The previous prime is 85869011. The next prime is 85869031. The reversal of 85869013 is 31096858.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85869013 - 2¹ = 85869011 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 (85869011) by changing a digit.

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, 17331 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (10951020).

Almost surely, 2^85869013 is an apocalyptic number.

It is an amenable number.

85869013 is a deficient number, since it is larger than the sum of its proper divisors (1739147).

85869013 is a wasteful number, since it uses less digits than its factorization.

85869013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 85869013 is about 9266.5534585411. The cubic root of 85869013 is about 441.1762826558.

The spelling of 85869013 in words is "eighty-five million, eight hundred sixty-nine thousand, thirteen".