84758613 has 4 divisors (see below), whose sum is σ = 113011488. Its totient is φ = 56505740.

The previous prime is 84758599. The next prime is 84758623. The reversal of 84758613 is 31685748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84758613 - 2⁵ = 84758581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84758623) 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 3 ways as a sum of consecutive naturals, for example, 14126433 + ... + 14126438.

It is an arithmetic number, because the mean of its divisors is an integer number (28252872).

Almost surely, 2^84758613 is an apocalyptic number.

It is an amenable number.

84758613 is a deficient number, since it is larger than the sum of its proper divisors (28252875).

84758613 is a wasteful number, since it uses less digits than its factorization.

84758613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28252874.

The product of its digits is 161280, while the sum is 42.

The square root of 84758613 is about 9206.4441018235. Note that the first 3 decimals coincide. The cubic root of 84758613 is about 439.2663618076.

The spelling of 84758613 in words is "eighty-four million, seven hundred fifty-eight thousand, six hundred thirteen".