852765380 has 48 divisors (see below), whose sum is σ = 1824850944. Its totient is φ = 334669440.

The previous prime is 852765377. The next prime is 852765383. The reversal of 852765380 is 83567258.

It is an interprime number because it is at equal distance from previous prime (852765377) and next prime (852765383).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (852765383) 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 15 ways as a sum of consecutive naturals, for example, 315314 + ... + 318006.

It is an arithmetic number, because the mean of its divisors is an integer number (38017728).

Almost surely, 2^852765380 is an apocalyptic number.

It is an amenable number.

852765380 is an abundant number, since it is smaller than the sum of its proper divisors (972085564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852765380 is a wasteful number, since it uses less digits than its factorization.

852765380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 852765380 is about 29202.1468388884. The cubic root of 852765380 is about 948.2944022642.

The spelling of 852765380 in words is "eight hundred fifty-two million, seven hundred sixty-five thousand, three hundred eighty".