852779155 has 8 divisors (see below), whose sum is σ = 1056345984. Its totient is φ = 660216000.

The previous prime is 852779129. The next prime is 852779159. The reversal of 852779155 is 551977258.

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

It is not a de Polignac number, because 852779155 - 2⁹ = 852778643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 852779099 and 852779108.

It is not an unprimeable number, because it can be changed into a prime (852779159) 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 7 ways as a sum of consecutive naturals, for example, 2750746 + ... + 2751055.

It is an arithmetic number, because the mean of its divisors is an integer number (132043248).

Almost surely, 2^852779155 is an apocalyptic number.

852779155 is a deficient number, since it is larger than the sum of its proper divisors (203566829).

852779155 is a wasteful number, since it uses less digits than its factorization.

852779155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501837.

The product of its digits is 882000, while the sum is 49.

The square root of 852779155 is about 29202.3826938830. The cubic root of 852779155 is about 948.2995082740.

The spelling of 852779155 in words is "eight hundred fifty-two million, seven hundred seventy-nine thousand, one hundred fifty-five".