85886513 has 8 divisors (see below), whose sum is σ = 88973640. Its totient is φ = 82846720.

The previous prime is 85886503. The next prime is 85886519. The reversal of 85886513 is 31568858.

It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 84125584 = 1327^2 + 9172^2 .

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 85886513 - 2⁴ = 85886497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85886519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8120 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (11121705).

Almost surely, 2^85886513 is an apocalyptic number.

It is an amenable number.

85886513 is a deficient number, since it is larger than the sum of its proper divisors (3087127).

85886513 is a wasteful number, since it uses less digits than its factorization.

85886513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23667.

The product of its digits is 230400, while the sum is 44.

The square root of 85886513 is about 9267.4976665765. The cubic root of 85886513 is about 441.2062510159.

The spelling of 85886513 in words is "eighty-five million, eight hundred eighty-six thousand, five hundred thirteen".