85868039 has 8 divisors (see below), whose sum is σ = 90865152. Its totient is φ = 80976280.

The previous prime is 85868021. The next prime is 85868051. The reversal of 85868039 is 93086858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85868039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85867984 and 85868002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85868539) 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, 24659 + ... + 27924.

It is an arithmetic number, because the mean of its divisors is an integer number (11358144).

Almost surely, 2^85868039 is an apocalyptic number.

85868039 is a deficient number, since it is larger than the sum of its proper divisors (4997113).

85868039 is a wasteful number, since it uses less digits than its factorization.

85868039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52677.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 85868039 is about 9266.5009037932. The cubic root of 85868039 is about 441.1746145829.

The spelling of 85868039 in words is "eighty-five million, eight hundred sixty-eight thousand, thirty-nine".