488780191 has 2 divisors, whose sum is σ = 488780192. Its totient is φ = 488780190.

The previous prime is 488780179. The next prime is 488780221. The reversal of 488780191 is 191087884.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 488780191 - 2⁹ = 488779679 is a prime.

It is a super-2 number, since 2×488780191² = 477812150227992962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488780161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244390095 + 244390096.

It is an arithmetic number, because the mean of its divisors is an integer number (244390096).

Almost surely, 2^488780191 is an apocalyptic number.

488780191 is a deficient number, since it is larger than the sum of its proper divisors (1).

488780191 is an equidigital number, since it uses as much as digits as its factorization.

488780191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 46.

The square root of 488780191 is about 22108.3737755630. The cubic root of 488780191 is about 787.7187787543.

It can be divided in two parts, 4887 and 80191, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 488780191 in words is "four hundred eighty-eight million, seven hundred eighty thousand, one hundred ninety-one".