87017047 has 8 divisors (see below), whose sum is σ = 95996880. Its totient is φ = 78363840.

The previous prime is 87017039. The next prime is 87017071. The reversal of 87017047 is 74071078.

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 87017047 - 2³ = 87017039 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 (87047047) 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, 81097 + ... + 82162.

It is an arithmetic number, because the mean of its divisors is an integer number (11999610).

Almost surely, 2^87017047 is an apocalyptic number.

87017047 is a deficient number, since it is larger than the sum of its proper divisors (8979833).

87017047 is a wasteful number, since it uses less digits than its factorization.

87017047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163313.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 87017047 is about 9328.2928234485. The cubic root of 87017047 is about 443.1337013018.

The spelling of 87017047 in words is "eighty-seven million, seventeen thousand, forty-seven".