86471525533 has 4 divisors (see below), whose sum is σ = 86472191520. Its totient is φ = 86470859548.

The previous prime is 86471525531. The next prime is 86471525557. The reversal of 86471525533 is 33552517468.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86471525533 - 2¹ = 86471525531 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 (86471525531) 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, 67873 + ... + 421366.

It is an arithmetic number, because the mean of its divisors is an integer number (21618047880).

Almost surely, 2^86471525533 is an apocalyptic number.

It is an amenable number.

86471525533 is a deficient number, since it is larger than the sum of its proper divisors (665987).

86471525533 is a wasteful number, since it uses less digits than its factorization.

86471525533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665986.

The product of its digits is 3024000, while the sum is 49.

The spelling of 86471525533 in words is "eighty-six billion, four hundred seventy-one million, five hundred twenty-five thousand, five hundred thirty-three".