2107947980 has 24 divisors (see below), whose sum is σ = 4687085088. Its totient is φ = 793580288.

The previous prime is 2107947923. The next prime is 2107947983. The reversal of 2107947980 is 897497012.

It is not an unprimeable number, because it can be changed into a prime (2107947983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3099584 + ... + 3100263.

It is an arithmetic number, because the mean of its divisors is an integer number (195295212).

Almost surely, 2^2107947980 is an apocalyptic number.

2107947980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2107947980 is an abundant number, since it is smaller than the sum of its proper divisors (2579137108).

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

2107947980 is a wasteful number, since it uses less digits than its factorization.

2107947980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199873 (or 6199871 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 2107947980 is about 45912.3946228031. The cubic root of 2107947980 is about 1282.1926894474.

The spelling of 2107947980 in words is "two billion, one hundred seven million, nine hundred forty-seven thousand, nine hundred eighty".