86124969 has 24 divisors (see below), whose sum is σ = 145646592. Its totient is φ = 48012480.

The previous prime is 86124953. The next prime is 86124971. The reversal of 86124969 is 96942168.

It is a happy number.

It is not a de Polignac number, because 86124969 - 2⁴ = 86124953 is a prime.

It is a super-2 number, since 2×86124969² = 14835020570501922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86124469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14089 + ... + 19254.

It is an arithmetic number, because the mean of its divisors is an integer number (6068608).

Almost surely, 2^86124969 is an apocalyptic number.

It is an amenable number.

86124969 is a deficient number, since it is larger than the sum of its proper divisors (59521623).

86124969 is a wasteful number, since it uses less digits than its factorization.

86124969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33397 (or 33394 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 86124969 is about 9280.3539264405. The cubic root of 86124969 is about 441.6141965594.

The spelling of 86124969 in words is "eighty-six million, one hundred twenty-four thousand, nine hundred sixty-nine".