86860169 has 4 divisors (see below), whose sum is σ = 94756560. Its totient is φ = 78963780.

The previous prime is 86860097. The next prime is 86860217. The reversal of 86860169 is 96106868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86860169 - 2¹⁶ = 86794633 is a prime.

It is a super-2 number, since 2×86860169² = 15089377917417122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86860069) 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, 3948179 + ... + 3948200.

It is an arithmetic number, because the mean of its divisors is an integer number (23689140).

Almost surely, 2^86860169 is an apocalyptic number.

It is an amenable number.

86860169 is a deficient number, since it is larger than the sum of its proper divisors (7896391).

86860169 is a wasteful number, since it uses less digits than its factorization.

86860169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896390.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 86860169 is about 9319.8803103903. The cubic root of 86860169 is about 442.8672410710.

The spelling of 86860169 in words is "eighty-six million, eight hundred sixty thousand, one hundred sixty-nine".