2078209884 has 12 divisors (see below), whose sum is σ = 4849156424. Its totient is φ = 692736624.

The previous prime is 2078209883. The next prime is 2078209891. The reversal of 2078209884 is 4889028702.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078209883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86592067 + ... + 86592090.

Almost surely, 2^2078209884 is an apocalyptic number.

It is an amenable number.

2078209884 is an abundant number, since it is smaller than the sum of its proper divisors (2770946540).

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

2078209884 is a wasteful number, since it uses less digits than its factorization.

2078209884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173184164 (or 173184162 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 2078209884 is about 45587.3873346565. The cubic root of 2078209884 is about 1276.1345552101.

The spelling of 2078209884 in words is "two billion, seventy-eight million, two hundred nine thousand, eight hundred eighty-four".