2178348488 has 16 divisors (see below), whose sum is σ = 4145365680. Its totient is φ = 1072917648.

The previous prime is 2178348443. The next prime is 2178348503. The reversal of 2178348488 is 8848438712.

2178348488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2178348488² = 9490404270343772288, which contains 22 as substring.

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, 2031506 + ... + 2032577.

It is an arithmetic number, because the mean of its divisors is an integer number (259085355).

Almost surely, 2^2178348488 is an apocalyptic number.

It is an amenable number.

2178348488 is a deficient number, since it is larger than the sum of its proper divisors (1967017192).

2178348488 is a wasteful number, since it uses less digits than its factorization.

2178348488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064156 (or 4064152 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 53.

The square root of 2178348488 is about 46672.7810184909. The cubic root of 2178348488 is about 1296.3107409759.

The spelling of 2178348488 in words is "two billion, one hundred seventy-eight million, three hundred forty-eight thousand, four hundred eighty-eight".