86189925 has 24 divisors (see below), whose sum is σ = 145196064. Its totient is φ = 45098560.

The previous prime is 86189923. The next prime is 86189927. The reversal of 86189925 is 52998168.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86189923) and next prime (86189927).

It is not a de Polignac number, because 86189925 - 2¹ = 86189923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86189921) 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 23 ways as a sum of consecutive naturals, for example, 6867 + ... + 14816.

It is an arithmetic number, because the mean of its divisors is an integer number (6049836).

Almost surely, 2^86189925 is an apocalyptic number.

It is an amenable number.

86189925 is a deficient number, since it is larger than the sum of its proper divisors (59006139).

86189925 is a wasteful number, since it uses less digits than its factorization.

86189925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21749 (or 21744 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 86189925 is about 9283.8529178354. The cubic root of 86189925 is about 441.7251914060.

The spelling of 86189925 in words is "eighty-six million, one hundred eighty-nine thousand, nine hundred twenty-five".