853408102 has 4 divisors (see below), whose sum is σ = 1280112156. Its totient is φ = 426704050.

The previous prime is 853408099. The next prime is 853408103. The reversal of 853408102 is 201804358.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853408103) 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 as a sum of consecutive naturals, namely, 213352024 + ... + 213352027.

It is an arithmetic number, because the mean of its divisors is an integer number (320028039).

Almost surely, 2^853408102 is an apocalyptic number.

853408102 is a deficient number, since it is larger than the sum of its proper divisors (426704054).

853408102 is a wasteful number, since it uses less digits than its factorization.

853408102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426704053.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 853408102 is about 29213.1494707435. The cubic root of 853408102 is about 948.5325829060.

The spelling of 853408102 in words is "eight hundred fifty-three million, four hundred eight thousand, one hundred two".