87488617 has 4 divisors (see below), whose sum is σ = 89523280. Its totient is φ = 85453956.

The previous prime is 87488593. The next prime is 87488641. The reversal of 87488617 is 71688478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71688478 = 2 ⋅35844239.

It is an interprime number because it is at equal distance from previous prime (87488593) and next prime (87488641).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87488617 is a prime.

It is a super-3 number, since 3×87488617³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87488677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017267 + ... + 1017352.

It is an arithmetic number, because the mean of its divisors is an integer number (22380820).

Almost surely, 2^87488617 is an apocalyptic number.

It is an amenable number.

87488617 is a deficient number, since it is larger than the sum of its proper divisors (2034663).

87488617 is a wasteful number, since it uses less digits than its factorization.

87488617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034662.

The product of its digits is 602112, while the sum is 49.

The square root of 87488617 is about 9353.5350002018. The cubic root of 87488617 is about 443.9327485864.

The spelling of 87488617 in words is "eighty-seven million, four hundred eighty-eight thousand, six hundred seventeen".