853402263 has 16 divisors (see below), whose sum is σ = 1301776896. Its totient is φ = 487150560.

The previous prime is 853402243. The next prime is 853402273. The reversal of 853402263 is 362204358.

It is a happy number.

It is not a de Polignac number, because 853402263 - 2²¹ = 851305111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853402213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28 + ... + 41313.

It is an arithmetic number, because the mean of its divisors is an integer number (81361056).

Almost surely, 2^853402263 is an apocalyptic number.

853402263 is a deficient number, since it is larger than the sum of its proper divisors (448374633).

853402263 is a wasteful number, since it uses less digits than its factorization.

853402263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42334.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 853402263 is about 29213.0495327003. The cubic root of 853402263 is about 948.5304196212.

The spelling of 853402263 in words is "eight hundred fifty-three million, four hundred two thousand, two hundred sixty-three".