2331947780 has 12 divisors (see below), whose sum is σ = 4897090380. Its totient is φ = 932779104.

The previous prime is 2331947777. The next prime is 2331947789. The reversal of 2331947780 is 877491332.

2331947780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1133264896 + 1198682884 = 33664^2 + 34622^2 .

It is not an unprimeable number, because it can be changed into a prime (2331947789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58298675 + ... + 58298714.

It is an arithmetic number, because the mean of its divisors is an integer number (408090865).

Almost surely, 2^2331947780 is an apocalyptic number.

2331947780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331947780 is an abundant number, since it is smaller than the sum of its proper divisors (2565142600).

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

2331947780 is a wasteful number, since it uses less digits than its factorization.

2331947780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116597398 (or 116597396 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 2331947780 is about 48290.2451847161. The cubic root of 2331947780 is about 1326.0898175084.

The spelling of 2331947780 in words is "two billion, three hundred thirty-one million, nine hundred forty-seven thousand, seven hundred eighty".