86168079 has 12 divisors (see below), whose sum is σ = 127829416. Its totient is φ = 55892592.

The previous prime is 86168057. The next prime is 86168099. The reversal of 86168079 is 97086168.

It is a happy number.

It is not a de Polignac number, because 86168079 - 2¹² = 86163983 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 (86168099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129049 + ... + 129714.

Almost surely, 2^86168079 is an apocalyptic number.

86168079 is a deficient number, since it is larger than the sum of its proper divisors (41661337).

86168079 is a wasteful number, since it uses less digits than its factorization.

86168079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258806 (or 258803 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 86168079 is about 9282.6762843482. The cubic root of 86168079 is about 441.6878678482.

The spelling of 86168079 in words is "eighty-six million, one hundred sixty-eight thousand, seventy-nine".