16878484880 has 40 divisors (see below), whose sum is σ = 40595671800. Its totient is φ = 6518586368.

The previous prime is 16878484877. The next prime is 16878484897. The reversal of 16878484880 is 8848487861.

16878484880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15904144 + 16862580736 = 3988^2 + 129856^2 .

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

It is a super-2 number, since 2×16878484880² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635285 + ... + 3639924.

It is an arithmetic number, because the mean of its divisors is an integer number (1014891795).

Almost surely, 2^16878484880 is an apocalyptic number.

16878484880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16878484880 is an abundant number, since it is smaller than the sum of its proper divisors (23717186920).

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

16878484880 is a wasteful number, since it uses less digits than its factorization.

16878484880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275251 (or 7275245 counting only the distinct ones).

The product of its (nonzero) digits is 22020096, while the sum is 62.

The spelling of 16878484880 in words is "sixteen billion, eight hundred seventy-eight million, four hundred eighty-four thousand, eight hundred eighty".