887716626617 has 4 divisors (see below), whose sum is σ = 887786797860. Its totient is φ = 887646455376.

The previous prime is 887716626593. The next prime is 887716626653. The reversal of 887716626617 is 716626617788.

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 97032873001 + 790683753616 = 311501^2 + 889204^2 .

It is a cyclic number.

It is not a de Polignac number, because 887716626617 - 2¹² = 887716622521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887716620617) 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, 35066642 + ... + 35091947.

It is an arithmetic number, because the mean of its divisors is an integer number (221946699465).

Almost surely, 2^887716626617 is an apocalyptic number.

It is an amenable number.

887716626617 is a deficient number, since it is larger than the sum of its proper divisors (70171243).

887716626617 is a wasteful number, since it uses less digits than its factorization.

887716626617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70171242.

The product of its digits is 56899584, while the sum is 65.

The spelling of 887716626617 in words is "eight hundred eighty-seven billion, seven hundred sixteen million, six hundred twenty-six thousand, six hundred seventeen".