855078467 has 2 divisors, whose sum is σ = 855078468. Its totient is φ = 855078466.

The previous prime is 855078463. The next prime is 855078481. The reversal of 855078467 is 764870558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 855078467 - 2² = 855078463 is a prime.

It is not a weakly prime, because it can be changed into another prime (855078463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427539233 + 427539234.

It is an arithmetic number, because the mean of its divisors is an integer number (427539234).

Almost surely, 2^855078467 is an apocalyptic number.

855078467 is a deficient number, since it is larger than the sum of its proper divisors (1).

855078467 is an equidigital number, since it uses as much as digits as its factorization.

855078467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The square root of 855078467 is about 29241.7247610328. The cubic root of 855078467 is about 949.1510299072.

The spelling of 855078467 in words is "eight hundred fifty-five million, seventy-eight thousand, four hundred sixty-seven".