2078738184 has 32 divisors (see below), whose sum is σ = 5307419520. Its totient is φ = 678169536.

The previous prime is 2078738161. The next prime is 2078738197. The reversal of 2078738184 is 4818378702.

It is a happy 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, 920299 + ... + 922554.

It is an arithmetic number, because the mean of its divisors is an integer number (165856860).

Almost surely, 2^2078738184 is an apocalyptic number.

2078738184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2078738184 is an abundant number, since it is smaller than the sum of its proper divisors (3228681336).

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

2078738184 is a wasteful number, since it uses less digits than its factorization.

2078738184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842909 (or 1842905 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 2078738184 is about 45593.1813323001. The cubic root of 2078738184 is about 1276.2426810818.

The spelling of 2078738184 in words is "two billion, seventy-eight million, seven hundred thirty-eight thousand, one hundred eighty-four".