86775161 has 16 divisors (see below), whose sum is σ = 97320960. Its totient is φ = 76690320.

The previous prime is 86775149. The next prime is 86775167. The reversal of 86775161 is 16157768.

It is a cyclic number.

It is not a de Polignac number, because 86775161 - 2²² = 82580857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86775167) 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 15 ways as a sum of consecutive naturals, for example, 180920 + ... + 181398.

It is an arithmetic number, because the mean of its divisors is an integer number (6082560).

Almost surely, 2^86775161 is an apocalyptic number.

It is an amenable number.

86775161 is a deficient number, since it is larger than the sum of its proper divisors (10545799).

86775161 is a wasteful number, since it uses less digits than its factorization.

86775161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its digits is 70560, while the sum is 41.

The square root of 86775161 is about 9315.3186204230. The cubic root of 86775161 is about 442.7227193374.

The spelling of 86775161 in words is "eighty-six million, seven hundred seventy-five thousand, one hundred sixty-one".