84841076129 has 4 divisors (see below), whose sum is σ = 89831727684. Its totient is φ = 79850424576.

The previous prime is 84841076107. The next prime is 84841076141. The reversal of 84841076129 is 92167014848.

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 48920592400 + 35920483729 = 221180^2 + 189527^2 .

It is a cyclic number.

It is not a de Polignac number, because 84841076129 - 2⁸ = 84841075873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84841066129) 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, 2495325752 + ... + 2495325785.

It is an arithmetic number, because the mean of its divisors is an integer number (22457931921).

Almost surely, 2^84841076129 is an apocalyptic number.

It is an amenable number.

84841076129 is a deficient number, since it is larger than the sum of its proper divisors (4990651555).

84841076129 is a wasteful number, since it uses less digits than its factorization.

84841076129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990651554.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 84841076129 in words is "eighty-four billion, eight hundred forty-one million, seventy-six thousand, one hundred twenty-nine".