855028667 has 2 divisors, whose sum is σ = 855028668. Its totient is φ = 855028666.

The previous prime is 855028661. The next prime is 855028679. The reversal of 855028667 is 766820558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 855028667 - 2⁸ = 855028411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (855028661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427514333 + 427514334.

It is an arithmetic number, because the mean of its divisors is an integer number (427514334).

Almost surely, 2^855028667 is an apocalyptic number.

855028667 is a deficient number, since it is larger than the sum of its proper divisors (1).

855028667 is an equidigital number, since it uses as much as digits as its factorization.

855028667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 855028667 is about 29240.8732256750. The cubic root of 855028667 is about 949.1326032790.

The spelling of 855028667 in words is "eight hundred fifty-five million, twenty-eight thousand, six hundred sixty-seven".