492923887 has 2 divisors, whose sum is σ = 492923888. Its totient is φ = 492923886.

The previous prime is 492923863. The next prime is 492923909. The reversal of 492923887 is 788329294.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492923887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492920887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246461943 + 246461944.

It is an arithmetic number, because the mean of its divisors is an integer number (246461944).

Almost surely, 2^492923887 is an apocalyptic number.

492923887 is a deficient number, since it is larger than the sum of its proper divisors (1).

492923887 is an equidigital number, since it uses as much as digits as its factorization.

492923887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 492923887 is about 22201.8892664566. The cubic root of 492923887 is about 789.9385130802.

The spelling of 492923887 in words is "four hundred ninety-two million, nine hundred twenty-three thousand, eight hundred eighty-seven".