86189475 has 12 divisors (see below), whose sum is σ = 142500056. Its totient is φ = 45967680.

The previous prime is 86189471. The next prime is 86189531. The reversal of 86189475 is 57498168.

It is not a de Polignac number, because 86189475 - 2² = 86189471 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 (86189471) 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, 574522 + ... + 574671.

Almost surely, 2^86189475 is an apocalyptic number.

86189475 is a deficient number, since it is larger than the sum of its proper divisors (56310581).

86189475 is a wasteful number, since it uses less digits than its factorization.

86189475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149206 (or 1149201 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 86189475 is about 9283.8286821763. The cubic root of 86189475 is about 441.7244226515.

The spelling of 86189475 in words is "eighty-six million, one hundred eighty-nine thousand, four hundred seventy-five".