853820463 has 8 divisors (see below), whose sum is σ = 1155419008. Its totient is φ = 560717784.

The previous prime is 853820453. The next prime is 853820491. The reversal of 853820463 is 364028358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 853820463 - 2⁵ = 853820431 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 (853820413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123731 + ... + 2124132.

It is an arithmetic number, because the mean of its divisors is an integer number (144427376).

Almost surely, 2^853820463 is an apocalyptic number.

853820463 is a deficient number, since it is larger than the sum of its proper divisors (301598545).

853820463 is a wasteful number, since it uses less digits than its factorization.

853820463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247933.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 853820463 is about 29220.2064161087. The cubic root of 853820463 is about 948.6853331404.

The spelling of 853820463 in words is "eight hundred fifty-three million, eight hundred twenty thousand, four hundred sixty-three".