853464623 has 4 divisors (see below), whose sum is σ = 931052328. Its totient is φ = 775876920.

The previous prime is 853464613. The next prime is 853464631. The reversal of 853464623 is 326464358.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853464623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853464613) 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, 38793836 + ... + 38793857.

It is an arithmetic number, because the mean of its divisors is an integer number (232763082).

Almost surely, 2^853464623 is an apocalyptic number.

853464623 is a deficient number, since it is larger than the sum of its proper divisors (77587705).

853464623 is a wasteful number, since it uses less digits than its factorization.

853464623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77587704.

The product of its digits is 414720, while the sum is 41.

The square root of 853464623 is about 29214.1168444299. The cubic root of 853464623 is about 948.5535228004.

The spelling of 853464623 in words is "eight hundred fifty-three million, four hundred sixty-four thousand, six hundred twenty-three".