853058639 has 8 divisors (see below), whose sum is σ = 887694720. Its totient is φ = 819095256.

The previous prime is 853058603. The next prime is 853058641. The reversal of 853058639 is 936850358.

It is a happy number.

853058639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853058639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 853058593 and 853058602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853058699) 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, 165587 + ... + 170660.

It is an arithmetic number, because the mean of its divisors is an integer number (110961840).

Almost surely, 2^853058639 is an apocalyptic number.

853058639 is a deficient number, since it is larger than the sum of its proper divisors (34636081).

853058639 is a wasteful number, since it uses less digits than its factorization.

853058639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336349.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 853058639 is about 29207.1675963281. The cubic root of 853058639 is about 948.4030933542.

The spelling of 853058639 in words is "eight hundred fifty-three million, fifty-eight thousand, six hundred thirty-nine".