84166754213 has 4 divisors (see below), whose sum is σ = 84938926380. Its totient is φ = 83394582048.

The previous prime is 84166754207. The next prime is 84166754219. The reversal of 84166754213 is 31245766148.

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

It is an interprime number because it is at equal distance from previous prime (84166754207) and next prime (84166754219).

It can be written as a sum of positive squares in 2 ways, for example, as 68928826849 + 15237927364 = 262543^2 + 123442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84166754213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84166754219) 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, 386085920 + ... + 386086137.

It is an arithmetic number, because the mean of its divisors is an integer number (21234731595).

Almost surely, 2^84166754213 is an apocalyptic number.

It is an amenable number.

84166754213 is a deficient number, since it is larger than the sum of its proper divisors (772172167).

84166754213 is a wasteful number, since it uses less digits than its factorization.

84166754213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772172166.

The product of its digits is 967680, while the sum is 47.

The spelling of 84166754213 in words is "eighty-four billion, one hundred sixty-six million, seven hundred fifty-four thousand, two hundred thirteen".