86198075 has 24 divisors (see below), whose sum is σ = 114135552. Its totient is φ = 64350720.

The previous prime is 86198069. The next prime is 86198083. The reversal of 86198075 is 57089168.

It is a happy number.

It is not a de Polignac number, because 86198075 - 2²⁰ = 85149499 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53177 + ... + 54773.

It is an arithmetic number, because the mean of its divisors is an integer number (4755648).

Almost surely, 2^86198075 is an apocalyptic number.

86198075 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86198075 is a deficient number, since it is larger than the sum of its proper divisors (27937477).

86198075 is a wasteful number, since it uses less digits than its factorization.

86198075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 86198075 is about 9284.2918416000. The cubic root of 86198075 is about 441.7391139414.

The spelling of 86198075 in words is "eighty-six million, one hundred ninety-eight thousand, seventy-five".