86117039 has 4 divisors (see below), whose sum is σ = 88895040. Its totient is φ = 83339040.

The previous prime is 86117029. The next prime is 86117041. The reversal of 86117039 is 93071168.

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-86117039 is a prime.

It is a super-2 number, since 2×86117039² = 14832288812255042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86117029) 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, 1388954 + ... + 1389015.

It is an arithmetic number, because the mean of its divisors is an integer number (22223760).

Almost surely, 2^86117039 is an apocalyptic number.

86117039 is a deficient number, since it is larger than the sum of its proper divisors (2778001).

86117039 is a wasteful number, since it uses less digits than its factorization.

86117039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778000.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 86117039 is about 9279.9266699689. The cubic root of 86117039 is about 441.6006421933.

The spelling of 86117039 in words is "eighty-six million, one hundred seventeen thousand, thirty-nine".