87447170911 has 8 divisors (see below), whose sum is σ = 90471826944. Its totient is φ = 84435251160.

The previous prime is 87447170869. The next prime is 87447170933. The reversal of 87447170911 is 11907174478.

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-87447170911 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 (87447170011) 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, 3170101 + ... + 3197566.

It is an arithmetic number, because the mean of its divisors is an integer number (11308978368).

Almost surely, 2^87447170911 is an apocalyptic number.

87447170911 is a deficient number, since it is larger than the sum of its proper divisors (3024656033).

87447170911 is a wasteful number, since it uses less digits than its factorization.

87447170911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368141.

The product of its (nonzero) digits is 395136, while the sum is 49.

The spelling of 87447170911 in words is "eighty-seven billion, four hundred forty-seven million, one hundred seventy thousand, nine hundred eleven".