853364387 has 4 divisors (see below), whose sum is σ = 862162056. Its totient is φ = 844566720.

The previous prime is 853364381. The next prime is 853364389. The reversal of 853364387 is 783463358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783463358 = 2 ⋅391731679.

It is a cyclic number.

It is not a de Polignac number, because 853364387 - 2¹⁶ = 853298851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853364381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4398689 + ... + 4398882.

It is an arithmetic number, because the mean of its divisors is an integer number (215540514).

Almost surely, 2^853364387 is an apocalyptic number.

853364387 is a deficient number, since it is larger than the sum of its proper divisors (8797669).

853364387 is an equidigital number, since it uses as much as digits as its factorization.

853364387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797668.

The product of its digits is 1451520, while the sum is 47.

The square root of 853364387 is about 29212.4012535772. The cubic root of 853364387 is about 948.5163867431.

The spelling of 853364387 in words is "eight hundred fifty-three million, three hundred sixty-four thousand, three hundred eighty-seven".