488678731 has 2 divisors, whose sum is σ = 488678732. Its totient is φ = 488678730.

The previous prime is 488678683. The next prime is 488678767. The reversal of 488678731 is 137876884.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 488678731 - 2⁹ = 488678219 is a prime.

It is a super-2 number, since 2×488678731² = 477613804263540722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (488678831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244339365 + 244339366.

It is an arithmetic number, because the mean of its divisors is an integer number (244339366).

Almost surely, 2^488678731 is an apocalyptic number.

488678731 is a deficient number, since it is larger than the sum of its proper divisors (1).

488678731 is an equidigital number, since it uses as much as digits as its factorization.

488678731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 52.

The square root of 488678731 is about 22106.0790507951. The cubic root of 488678731 is about 787.6642706274.

The spelling of 488678731 in words is "four hundred eighty-eight million, six hundred seventy-eight thousand, seven hundred thirty-one".