2078109384 has 64 divisors (see below), whose sum is σ = 5603102400. Its totient is φ = 638482176.

The previous prime is 2078109377. The next prime is 2078109413. The reversal of 2078109384 is 4839018702.

It is a super-2 number, since 2×2078109384² = 8637077223737718912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226062 + ... + 235074.

It is an arithmetic number, because the mean of its divisors is an integer number (87548475).

Almost surely, 2^2078109384 is an apocalyptic number.

2078109384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078109384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2801551200).

2078109384 is an abundant number, since it is smaller than the sum of its proper divisors (3524993016).

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

2078109384 is a wasteful number, since it uses less digits than its factorization.

2078109384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9774 (or 9770 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2078109384 is about 45586.2850427626. The cubic root of 2078109384 is about 1276.1139840459.

The spelling of 2078109384 in words is "two billion, seventy-eight million, one hundred nine thousand, three hundred eighty-four".