84116808080 has 40 divisors (see below), whose sum is σ = 195771936312. Its totient is φ = 33612253184.

The previous prime is 84116808071. The next prime is 84116808107. The reversal of 84116808080 is 8080861148.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14848884736 + 69267923344 = 121856^2 + 263188^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459947 + ... + 616266.

Almost surely, 2^84116808080 is an apocalyptic number.

84116808080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84116808080 is an abundant number, since it is smaller than the sum of its proper divisors (111655128232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84116808080 is a wasteful number, since it uses less digits than its factorization.

84116808080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077203 (or 1077197 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 44.

The spelling of 84116808080 in words is "eighty-four billion, one hundred sixteen million, eight hundred eight thousand, eighty".