855179653 has 4 divisors (see below), whose sum is σ = 855287200. Its totient is φ = 855072108.

The previous prime is 855179651. The next prime is 855179693. The reversal of 855179653 is 356971558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 855179653 - 2¹ = 855179651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855179597 and 855179606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855179651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40803 + ... + 58096.

It is an arithmetic number, because the mean of its divisors is an integer number (213821800).

Almost surely, 2^855179653 is an apocalyptic number.

It is an amenable number.

855179653 is a deficient number, since it is larger than the sum of its proper divisors (107547).

855179653 is an equidigital number, since it uses as much as digits as its factorization.

855179653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107546.

The product of its digits is 1134000, while the sum is 49.

The square root of 855179653 is about 29243.4548745527. The cubic root of 855179653 is about 949.1884678000.

The spelling of 855179653 in words is "eight hundred fifty-five million, one hundred seventy-nine thousand, six hundred fifty-three".