9872408180 has 24 divisors (see below), whose sum is σ = 21400834560. Its totient is φ = 3821577120.

The previous prime is 9872408173. The next prime is 9872408267. The reversal of 9872408180 is 818042789.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 7961000 + ... + 7962239.

It is an arithmetic number, because the mean of its divisors is an integer number (891701440).

Almost surely, 2^9872408180 is an apocalyptic number.

It is an amenable number.

9872408180 is an abundant number, since it is smaller than the sum of its proper divisors (11528426380).

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

9872408180 is a wasteful number, since it uses less digits than its factorization.

9872408180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923279 (or 15923277 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 9872408180 is about 99359.9928542671. The cubic root of 9872408180 is about 2145.2324994349.

The spelling of 9872408180 in words is "nine billion, eight hundred seventy-two million, four hundred eight thousand, one hundred eighty".