855084867 has 16 divisors (see below), whose sum is σ = 1403216640. Its totient is φ = 451033632.

The previous prime is 855084809. The next prime is 855084877. The reversal of 855084867 is 768480558.

It is not a de Polignac number, because 855084867 - 2⁷ = 855084739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855084877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565817 + ... + 1566362.

It is an arithmetic number, because the mean of its divisors is an integer number (87701040).

Almost surely, 2^855084867 is an apocalyptic number.

855084867 is a deficient number, since it is larger than the sum of its proper divisors (548131773).

855084867 is a wasteful number, since it uses less digits than its factorization.

855084867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132202.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The square root of 855084867 is about 29241.8341934975. The cubic root of 855084867 is about 949.1533979361.

The spelling of 855084867 in words is "eight hundred fifty-five million, eighty-four thousand, eight hundred sixty-seven".