88806570813 has 6 divisors (see below), whose sum is σ = 128276157854. Its totient is φ = 59204380536.

The previous prime is 88806570707. The next prime is 88806570859. The reversal of 88806570813 is 31807560888.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88781949369 + 24621444 = 297963^2 + 4962^2 .

It is a de Polignac number, because none of the positive numbers 2^k-88806570813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88806570813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88806770813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4933698370 + ... + 4933698387.

Almost surely, 2^88806570813 is an apocalyptic number.

It is an amenable number.

88806570813 is a deficient number, since it is larger than the sum of its proper divisors (39469587041).

88806570813 is a wasteful number, since it uses less digits than its factorization.

88806570813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867396763 (or 9867396760 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 88806570813 in words is "eighty-eight billion, eight hundred six million, five hundred seventy thousand, eight hundred thirteen".