86417613 has 24 divisors (see below), whose sum is σ = 134674488. Its totient is φ = 53194752.

The previous prime is 86417609. The next prime is 86417621. The reversal of 86417613 is 31671468.

86417613 is a `hidden beast` number, since 8 + 641 + 7 + 6 + 1 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11819844 + 74597769 = 3438^2 + 8637^2 .

It is not a de Polignac number, because 86417613 - 2² = 86417609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86417633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2781 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (5611437).

Almost surely, 2^86417613 is an apocalyptic number.

It is an amenable number.

86417613 is a deficient number, since it is larger than the sum of its proper divisors (48256875).

86417613 is a wasteful number, since it uses less digits than its factorization.

86417613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733 (or 10730 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 86417613 is about 9296.1074111695. The cubic root of 86417613 is about 442.1138180026.

The spelling of 86417613 in words is "eighty-six million, four hundred seventeen thousand, six hundred thirteen".