84613613 has 8 divisors (see below), whose sum is σ = 96788160. Its totient is φ = 72460800.

The previous prime is 84613589. The next prime is 84613621. The reversal of 84613613 is 31631648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84613613 - 2⁸ = 84613357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84613613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84613693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 13613.

It is an arithmetic number, because the mean of its divisors is an integer number (12098520).

Almost surely, 2^84613613 is an apocalyptic number.

It is an amenable number.

84613613 is a deficient number, since it is larger than the sum of its proper divisors (12174547).

84613613 is a wasteful number, since it uses less digits than its factorization.

84613613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10867.

The product of its digits is 10368, while the sum is 32.

The square root of 84613613 is about 9198.5658121253. The cubic root of 84613613 is about 439.0157285648.

The spelling of 84613613 in words is "eighty-four million, six hundred thirteen thousand, six hundred thirteen".