86710506593 has 4 divisors (see below), whose sum is σ = 86738580420. Its totient is φ = 86682432768.

The previous prime is 86710506583. The next prime is 86710506671. The reversal of 86710506593 is 39560501768.

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 81577070689 + 5133435904 = 285617^2 + 71648^2 .

It is a cyclic number.

It is not a de Polignac number, because 86710506593 - 2¹⁰ = 86710505569 is a prime.

It is a super-2 number, since 2×86710506593² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86710506583) 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, 14032280 + ... + 14038457.

It is an arithmetic number, because the mean of its divisors is an integer number (21684645105).

Almost surely, 2^86710506593 is an apocalyptic number.

It is an amenable number.

86710506593 is a deficient number, since it is larger than the sum of its proper divisors (28073827).

86710506593 is a wasteful number, since it uses less digits than its factorization.

86710506593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28073826.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 86710506593 in words is "eighty-six billion, seven hundred ten million, five hundred six thousand, five hundred ninety-three".