87155573017 has 8 divisors (see below), whose sum is σ = 88015942080. Its totient is φ = 86296309200.

The previous prime is 87155572993. The next prime is 87155573027. The reversal of 87155573017 is 71037555178.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87155573017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87155573027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117373 + ... + 433690.

It is an arithmetic number, because the mean of its divisors is an integer number (11001992760).

Almost surely, 2^87155573017 is an apocalyptic number.

It is an amenable number.

87155573017 is a deficient number, since it is larger than the sum of its proper divisors (860369063).

87155573017 is a wasteful number, since it uses less digits than its factorization.

87155573017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552623.

The product of its (nonzero) digits is 1029000, while the sum is 49.

The spelling of 87155573017 in words is "eighty-seven billion, one hundred fifty-five million, five hundred seventy-three thousand, seventeen".