86158601 has 8 divisors (see below), whose sum is σ = 92169000. Its totient is φ = 80252928.

The previous prime is 86158591. The next prime is 86158603. The reversal of 86158601 is 10685168.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 83905600 = 1501^2 + 9160^2 .

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 86158601 - 2¹⁸ = 85896457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86158603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24476 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (11521125).

Almost surely, 2^86158601 is an apocalyptic number.

It is an amenable number.

86158601 is a deficient number, since it is larger than the sum of its proper divisors (6010399).

86158601 is a wasteful number, since it uses less digits than its factorization.

86158601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52363.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 86158601 is about 9282.1657494359. The cubic root of 86158601 is about 441.6716728676.

The spelling of 86158601 in words is "eighty-six million, one hundred fifty-eight thousand, six hundred one".