86408613 has 12 divisors (see below), whose sum is σ = 129435488. Its totient is φ = 57605580.

The previous prime is 86408611. The next prime is 86408617. The reversal of 86408613 is 31680468.

It is a happy number.

86408613 is a `hidden beast` number, since 8 + 640 + 8 + 6 + 1 + 3 = 666.

It is not a de Polignac number, because 86408613 - 2¹ = 86408611 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 (86408611) 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, 177553 + ... + 178038.

Almost surely, 2^86408613 is an apocalyptic number.

It is an amenable number.

86408613 is a deficient number, since it is larger than the sum of its proper divisors (43026875).

86408613 is an equidigital number, since it uses as much as digits as its factorization.

86408613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355606 (or 355594 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 86408613 is about 9295.6233249847. The cubic root of 86408613 is about 442.0984694243.

The spelling of 86408613 in words is "eighty-six million, four hundred eight thousand, six hundred thirteen".