87761717170 has 8 divisors (see below), whose sum is σ = 157971090924. Its totient is φ = 35104686864.

The previous prime is 87761717149. The next prime is 87761717177. The reversal of 87761717170 is 7171716778.

It can be written as a sum of positive squares in 2 ways, for example, as 80028449449 + 7733267721 = 282893^2 + 87939^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87761717177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388085849 + ... + 4388085868.

Almost surely, 2^87761717170 is an apocalyptic number.

87761717170 is a deficient number, since it is larger than the sum of its proper divisors (70209373754).

87761717170 is a wasteful number, since it uses less digits than its factorization.

87761717170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776171724.

The product of its (nonzero) digits is 806736, while the sum is 52.

The spelling of 87761717170 in words is "eighty-seven billion, seven hundred sixty-one million, seven hundred seventeen thousand, one hundred seventy".