84553180808 has 8 divisors (see below), whose sum is σ = 158537214030. Its totient is φ = 42276590400.

The previous prime is 84553180807. The next prime is 84553180813. The reversal of 84553180808 is 80808135548.

It can be written as a sum of positive squares in only one way, i.e., 83566090084 + 987090724 = 289078^2 + 31418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×84553180808³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (84553180807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5284573793 + ... + 5284573808.

Almost surely, 2^84553180808 is an apocalyptic number.

It is an amenable number.

84553180808 is a deficient number, since it is larger than the sum of its proper divisors (73984033222).

84553180808 is a wasteful number, since it uses less digits than its factorization.

84553180808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569147607 (or 10569147603 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 84553180808 in words is "eighty-four billion, five hundred fifty-three million, one hundred eighty thousand, eight hundred eight".