489178367 has 2 divisors, whose sum is σ = 489178368. Its totient is φ = 489178366.

The previous prime is 489178321. The next prime is 489178387. The reversal of 489178367 is 763871984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489178367 - 2¹⁰ = 489177343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489178307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244589183 + 244589184.

It is an arithmetic number, because the mean of its divisors is an integer number (244589184).

Almost surely, 2^489178367 is an apocalyptic number.

489178367 is a deficient number, since it is larger than the sum of its proper divisors (1).

489178367 is an equidigital number, since it uses as much as digits as its factorization.

489178367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 489178367 is about 22117.3770370720. The cubic root of 489178367 is about 787.9326210136.

The spelling of 489178367 in words is "four hundred eighty-nine million, one hundred seventy-eight thousand, three hundred sixty-seven".