84895913 has 4 divisors (see below), whose sum is σ = 85097988. Its totient is φ = 84693840.

The previous prime is 84895903. The next prime is 84895927. The reversal of 84895913 is 31959848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 84695209 = 448^2 + 9203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84895913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84895903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100406 + ... + 101247.

It is an arithmetic number, because the mean of its divisors is an integer number (21274497).

Almost surely, 2^84895913 is an apocalyptic number.

It is an amenable number.

84895913 is a deficient number, since it is larger than the sum of its proper divisors (202075).

84895913 is a wasteful number, since it uses less digits than its factorization.

84895913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202074.

The product of its digits is 311040, while the sum is 47.

The square root of 84895913 is about 9213.8978179704. The cubic root of 84895913 is about 439.5034222182.

The spelling of 84895913 in words is "eighty-four million, eight hundred ninety-five thousand, nine hundred thirteen".