488251867 has 2 divisors, whose sum is σ = 488251868. Its totient is φ = 488251866.

The previous prime is 488251861. The next prime is 488251909. The reversal of 488251867 is 768152884.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488251867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 488251867.

It is not a weakly prime, because it can be changed into another prime (488251861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244125933 + 244125934.

It is an arithmetic number, because the mean of its divisors is an integer number (244125934).

Almost surely, 2^488251867 is an apocalyptic number.

488251867 is a deficient number, since it is larger than the sum of its proper divisors (1).

488251867 is an equidigital number, since it uses as much as digits as its factorization.

488251867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 49.

The square root of 488251867 is about 22096.4220406834. The cubic root of 488251867 is about 787.4348605564.

The spelling of 488251867 in words is "four hundred eighty-eight million, two hundred fifty-one thousand, eight hundred sixty-seven".