488440987 has 2 divisors, whose sum is σ = 488440988. Its totient is φ = 488440986.

The previous prime is 488440943. The next prime is 488441003. The reversal of 488440987 is 789044884.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 488440987 - 2⁷ = 488440859 is a prime.

It is not a weakly prime, because it can be changed into another prime (488440937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244220493 + 244220494.

It is an arithmetic number, because the mean of its divisors is an integer number (244220494).

Almost surely, 2^488440987 is an apocalyptic number.

488440987 is a deficient number, since it is larger than the sum of its proper divisors (1).

488440987 is an equidigital number, since it uses as much as digits as its factorization.

488440987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The square root of 488440987 is about 22100.7010522291. The cubic root of 488440987 is about 787.5365160526.

The spelling of 488440987 in words is "four hundred eighty-eight million, four hundred forty thousand, nine hundred eighty-seven".