86528523563 has 4 divisors (see below), whose sum is σ = 86532569088. Its totient is φ = 86524478040.

The previous prime is 86528523551. The next prime is 86528523581. The reversal of 86528523563 is 36532582568.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86528523563 - 2¹⁰ = 86528522539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86528523863) 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, 1990508 + ... + 2033513.

It is an arithmetic number, because the mean of its divisors is an integer number (21633142272).

Almost surely, 2^86528523563 is an apocalyptic number.

86528523563 is a deficient number, since it is larger than the sum of its proper divisors (4045525).

86528523563 is a wasteful number, since it uses less digits than its factorization.

86528523563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045524.

The product of its digits is 10368000, while the sum is 53.

The spelling of 86528523563 in words is "eighty-six billion, five hundred twenty-eight million, five hundred twenty-three thousand, five hundred sixty-three".