804000887 has 2 divisors, whose sum is σ = 804000888. Its totient is φ = 804000886.

The previous prime is 804000851. The next prime is 804000943. The reversal of 804000887 is 788000408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 804000887 - 2¹⁸ = 803738743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804000817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402000443 + 402000444.

It is an arithmetic number, because the mean of its divisors is an integer number (402000444).

Almost surely, 2^804000887 is an apocalyptic number.

804000887 is a deficient number, since it is larger than the sum of its proper divisors (1).

804000887 is an equidigital number, since it uses as much as digits as its factorization.

804000887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 804000887 is about 28354.9093985504. The cubic root of 804000887 is about 929.8627334309.

The spelling of 804000887 in words is "eight hundred four million, eight hundred eighty-seven", and thus it is an aban number.