86158997 has 8 divisors (see below), whose sum is σ = 88153920. Its totient is φ = 84185920.

The previous prime is 86158991. The next prime is 86159027. The reversal of 86158997 is 79985168.

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 86158997 - 2⁴ = 86158981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86158991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654 + ... + 13392.

It is an arithmetic number, because the mean of its divisors is an integer number (11019240).

Almost surely, 2^86158997 is an apocalyptic number.

It is an amenable number.

86158997 is a deficient number, since it is larger than the sum of its proper divisors (1994923).

86158997 is a wasteful number, since it uses less digits than its factorization.

86158997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923.

The product of its digits is 1088640, while the sum is 53.

The square root of 86158997 is about 9282.1870806400. The cubic root of 86158997 is about 441.6723495333.

The spelling of 86158997 in words is "eighty-six million, one hundred fifty-eight thousand, nine hundred ninety-seven".