852755019 has 16 divisors (see below), whose sum is σ = 1150821120. Its totient is φ = 561621600.

The previous prime is 852754997. The next prime is 852755053. The reversal of 852755019 is 910557258.

It is not a de Polignac number, because 852755019 - 2¹⁵ = 852722251 is a prime.

It is a super-2 number, since 2×852755019² = 1454382244859380722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (852755219) 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, 144672 + ... + 150450.

It is an arithmetic number, because the mean of its divisors is an integer number (71926320).

Almost surely, 2^852755019 is an apocalyptic number.

852755019 is a deficient number, since it is larger than the sum of its proper divisors (298066101).

852755019 is a wasteful number, since it uses less digits than its factorization.

852755019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370.

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 852755019 is about 29201.9694370089. The cubic root of 852755019 is about 948.2905616932.

It can be divided in two parts, 8527 and 55019, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 852755019 in words is "eight hundred fifty-two million, seven hundred fifty-five thousand, nineteen".