853328279 has 2 divisors, whose sum is σ = 853328280. Its totient is φ = 853328278.

The previous prime is 853328251. The next prime is 853328291. The reversal of 853328279 is 972823358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 853328279 - 2¹² = 853324183 is a prime.

It is a super-2 number, since 2×853328279² = 1456338303482203682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853328579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426664139 + 426664140.

It is an arithmetic number, because the mean of its divisors is an integer number (426664140).

Almost surely, 2^853328279 is an apocalyptic number.

853328279 is a deficient number, since it is larger than the sum of its proper divisors (1).

853328279 is an equidigital number, since it uses as much as digits as its factorization.

853328279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 853328279 is about 29211.7832218439. The cubic root of 853328279 is about 948.5030085140.

The spelling of 853328279 in words is "eight hundred fifty-three million, three hundred twenty-eight thousand, two hundred seventy-nine".