852895987 has 4 divisors (see below), whose sum is σ = 854875296. Its totient is φ = 850916680.

The previous prime is 852895957. The next prime is 852895993. The reversal of 852895987 is 789598258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789598258 = 2 ⋅394799129.

It is a cyclic number.

It is not a de Polignac number, because 852895987 - 2⁷ = 852895859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852895957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989008 + ... + 989869.

It is an arithmetic number, because the mean of its divisors is an integer number (213718824).

Almost surely, 2^852895987 is an apocalyptic number.

852895987 is a deficient number, since it is larger than the sum of its proper divisors (1979309).

852895987 is a wasteful number, since it uses less digits than its factorization.

852895987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979308.

The product of its digits is 14515200, while the sum is 61.

The square root of 852895987 is about 29204.3830100894. The cubic root of 852895987 is about 948.3428124395.

The spelling of 852895987 in words is "eight hundred fifty-two million, eight hundred ninety-five thousand, nine hundred eighty-seven".