87070434971717 has 8 divisors (see below), whose sum is σ = 87455104095960. Its totient is φ = 86686217605120.

The previous prime is 87070434971711. The next prime is 87070434971719. The reversal of 87070434971717 is 71717943407078.

It is a Cunningham number, because it is equal to 9331154²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 5728813528036 + 81341621443681 = 2393494^2 + 9018959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87070434971717 - 2¹⁴ = 87070434955333 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 (87070434971711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112553084 + ... + 113324037.

It is an arithmetic number, because the mean of its divisors is an integer number (10931888011995).

Almost surely, 2^{87070434971717} is an apocalyptic number.

It is an amenable number.

87070434971717 is a deficient number, since it is larger than the sum of its proper divisors (384669124243).

87070434971717 is a wasteful number, since it uses less digits than its factorization.

87070434971717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225878823.

The product of its (nonzero) digits is 58084992, while the sum is 65.

The spelling of 87070434971717 in words is "eighty-seven trillion, seventy billion, four hundred thirty-four million, nine hundred seventy-one thousand, seven hundred seventeen".