908505049087 has 2 divisors, whose sum is σ = 908505049088. Its totient is φ = 908505049086.

The previous prime is 908505049073. The next prime is 908505049091. The reversal of 908505049087 is 780940505809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 908505049087 - 2³¹ = 906357565439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (908505049027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454252524543 + 454252524544.

It is an arithmetic number, because the mean of its divisors is an integer number (454252524544).

Almost surely, 2^908505049087 is an apocalyptic number.

908505049087 is a deficient number, since it is larger than the sum of its proper divisors (1).

908505049087 is an equidigital number, since it uses as much as digits as its factorization.

908505049087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 908505049087 in words is "nine hundred eight billion, five hundred five million, forty-nine thousand, eighty-seven".