854487895 has 4 divisors (see below), whose sum is σ = 1025385480. Its totient is φ = 683590312.

The previous prime is 854487883. The next prime is 854487899. The reversal of 854487895 is 598784458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 854487895 - 2⁵ = 854487863 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854487899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85448785 + ... + 85448794.

It is an arithmetic number, because the mean of its divisors is an integer number (256346370).

Almost surely, 2^854487895 is an apocalyptic number.

854487895 is a deficient number, since it is larger than the sum of its proper divisors (170897585).

854487895 is a wasteful number, since it uses less digits than its factorization.

854487895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170897584.

The product of its digits is 12902400, while the sum is 58.

The square root of 854487895 is about 29231.6249120708. The cubic root of 854487895 is about 948.9324647338.

The spelling of 854487895 in words is "eight hundred fifty-four million, four hundred eighty-seven thousand, eight hundred ninety-five".