2331339977 has 4 divisors (see below), whose sum is σ = 2331441540. Its totient is φ = 2331238416.

The previous prime is 2331339949. The next prime is 2331339979. The reversal of 2331339977 is 7799331332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1198613641 + 1132726336 = 34621^2 + 33656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331339977 - 2⁸ = 2331339721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331339979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799 + ... + 68307.

It is an arithmetic number, because the mean of its divisors is an integer number (582860385).

Almost surely, 2^2331339977 is an apocalyptic number.

It is an amenable number.

2331339977 is a deficient number, since it is larger than the sum of its proper divisors (101563).

2331339977 is an equidigital number, since it uses as much as digits as its factorization.

2331339977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101562.

The product of its digits is 642978, while the sum is 47.

The square root of 2331339977 is about 48283.9515470720. The cubic root of 2331339977 is about 1325.9745960310.

The spelling of 2331339977 in words is "two billion, three hundred thirty-one million, three hundred thirty-nine thousand, nine hundred seventy-seven".