331883746487 has 2 divisors, whose sum is σ = 331883746488. Its totient is φ = 331883746486.

The previous prime is 331883746477. The next prime is 331883746489. The reversal of 331883746487 is 784647388133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331883746487 - 2¹⁶ = 331883680951 is a prime.

It is a super-2 number, since 2×331883746487² (a number of 24 digits) contains 22 as substring.

Together with 331883746489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331883746489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165941873243 + 165941873244.

It is an arithmetic number, because the mean of its divisors is an integer number (165941873244).

Almost surely, 2^331883746487 is an apocalyptic number.

331883746487 is a deficient number, since it is larger than the sum of its proper divisors (1).

331883746487 is an equidigital number, since it uses as much as digits as its factorization.

331883746487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65028096, while the sum is 62.

The spelling of 331883746487 in words is "three hundred thirty-one billion, eight hundred eighty-three million, seven hundred forty-six thousand, four hundred eighty-seven".