904745087 has 2 divisors, whose sum is σ = 904745088. Its totient is φ = 904745086.

The previous prime is 904745071. The next prime is 904745141. The reversal of 904745087 is 780547409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 904745087 - 2⁴ = 904745071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904745887) 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, 452372543 + 452372544.

It is an arithmetic number, because the mean of its divisors is an integer number (452372544).

Almost surely, 2^904745087 is an apocalyptic number.

904745087 is a deficient number, since it is larger than the sum of its proper divisors (1).

904745087 is an equidigital number, since it uses as much as digits as its factorization.

904745087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 904745087 is about 30078.9808171753. The cubic root of 904745087 is about 967.1832006113.

The spelling of 904745087 in words is "nine hundred four million, seven hundred forty-five thousand, eighty-seven".