84413844880 has 20 divisors (see below), whose sum is σ = 196262189532. Its totient is φ = 33765537920.

The previous prime is 84413844877. The next prime is 84413844901. The reversal of 84413844880 is 8844831448.

It can be written as a sum of positive squares in 2 ways, for example, as 65200558336 + 19213286544 = 255344^2 + 138612^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527586451 + ... + 527586610.

Almost surely, 2^84413844880 is an apocalyptic number.

84413844880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84413844880 is an abundant number, since it is smaller than the sum of its proper divisors (111848344652).

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

84413844880 is a wasteful number, since it uses less digits than its factorization.

84413844880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055173074 (or 1055173068 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 52.

The spelling of 84413844880 in words is "eighty-four billion, four hundred thirteen million, eight hundred forty-four thousand, eight hundred eighty".