488678766839 has 2 divisors, whose sum is σ = 488678766840. Its totient is φ = 488678766838.

The previous prime is 488678766809. The next prime is 488678766847. The reversal of 488678766839 is 938667876884.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488678766839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488678766809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244339383419 + 244339383420.

It is an arithmetic number, because the mean of its divisors is an integer number (244339383420).

Almost surely, 2^488678766839 is an apocalyptic number.

488678766839 is a deficient number, since it is larger than the sum of its proper divisors (1).

488678766839 is an equidigital number, since it uses as much as digits as its factorization.

488678766839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4682022912, while the sum is 80.

The spelling of 488678766839 in words is "four hundred eighty-eight billion, six hundred seventy-eight million, seven hundred sixty-six thousand, eight hundred thirty-nine".