894073487 has 2 divisors, whose sum is σ = 894073488. Its totient is φ = 894073486.

The previous prime is 894073471. The next prime is 894073493. The reversal of 894073487 is 784370498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 894073487 - 2⁴ = 894073471 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 (894073087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447036743 + 447036744.

It is an arithmetic number, because the mean of its divisors is an integer number (447036744).

Almost surely, 2^894073487 is an apocalyptic number.

894073487 is a deficient number, since it is larger than the sum of its proper divisors (1).

894073487 is an equidigital number, since it uses as much as digits as its factorization.

894073487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 894073487 is about 29901.0616366710. The cubic root of 894073487 is about 963.3654618925.

The spelling of 894073487 in words is "eight hundred ninety-four million, seventy-three thousand, four hundred eighty-seven".