86458005 has 24 divisors (see below), whose sum is σ = 158677272. Its totient is φ = 43398144.

The previous prime is 86457997. The next prime is 86458087. The reversal of 86458005 is 50085468.

It is a happy number.

86458005 is a `hidden beast` number, since 8 + 645 + 8 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47032164 + 39425841 = 6858^2 + 6279^2 .

It is not a de Polignac number, because 86458005 - 2³ = 86457997 is a prime.

It is a Curzon number.

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, 55744 + ... + 57273.

It is an arithmetic number, because the mean of its divisors is an integer number (6611553).

Almost surely, 2^86458005 is an apocalyptic number.

86458005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86458005 is a deficient number, since it is larger than the sum of its proper divisors (72219267).

86458005 is a wasteful number, since it uses less digits than its factorization.

86458005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113045 (or 113042 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 86458005 is about 9298.2796795967. The cubic root of 86458005 is about 442.1826893016.

The spelling of 86458005 in words is "eighty-six million, four hundred fifty-eight thousand, five".