84281708113 has 4 divisors (see below), whose sum is σ = 87187973940. Its totient is φ = 81375442288.

The previous prime is 84281708107. The next prime is 84281708141. The reversal of 84281708113 is 31180718248.

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 40655866689 + 43625841424 = 201633^2 + 208868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84281708113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84281708113.

It is not an unprimeable number, because it can be changed into a prime (84281708143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453132870 + ... + 1453132927.

It is an arithmetic number, because the mean of its divisors is an integer number (21796993485).

Almost surely, 2^84281708113 is an apocalyptic number.

It is an amenable number.

84281708113 is a deficient number, since it is larger than the sum of its proper divisors (2906265827).

84281708113 is a wasteful number, since it uses less digits than its factorization.

84281708113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906265826.

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 84281708113 in words is "eighty-four billion, two hundred eighty-one million, seven hundred eight thousand, one hundred thirteen".