86157605 has 16 divisors (see below), whose sum is σ = 106251264. Its totient is φ = 67029120.

The previous prime is 86157601. The next prime is 86157613. The reversal of 86157605 is 50675168.

It is a happy number.

It is not a de Polignac number, because 86157605 - 2² = 86157601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86157601) 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 15 ways as a sum of consecutive naturals, for example, 99404 + ... + 100266.

It is an arithmetic number, because the mean of its divisors is an integer number (6640704).

Almost surely, 2^86157605 is an apocalyptic number.

It is an amenable number.

86157605 is a deficient number, since it is larger than the sum of its proper divisors (20093659).

86157605 is a wasteful number, since it uses less digits than its factorization.

86157605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 86157605 is about 9282.1120980087. The cubic root of 86157605 is about 441.6699709416.

The spelling of 86157605 in words is "eighty-six million, one hundred fifty-seven thousand, six hundred five".