86852052389 has 4 divisors (see below), whose sum is σ = 86853776460. Its totient is φ = 86850328320.

The previous prime is 86852052361. The next prime is 86852052431. The reversal of 86852052389 is 98325025868.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23318817025 + 63533235364 = 152705^2 + 252058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86852052389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86852052359) 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, 784124 + ... + 888005.

It is an arithmetic number, because the mean of its divisors is an integer number (21713444115).

Almost surely, 2^86852052389 is an apocalyptic number.

It is an amenable number.

86852052389 is a deficient number, since it is larger than the sum of its proper divisors (1724071).

86852052389 is a wasteful number, since it uses less digits than its factorization.

86852052389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724070.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 86852052389 in words is "eighty-six billion, eight hundred fifty-two million, fifty-two thousand, three hundred eighty-nine".