87230517 has 8 divisors (see below), whose sum is σ = 126880800. Its totient is φ = 52866960.

The previous prime is 87230489. The next prime is 87230537. The reversal of 87230517 is 71503278.

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

It is not a de Polignac number, because 87230517 - 2⁷ = 87230389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2643349 = 87230517 / (8 + 7 + 2 + 3 + 0 + 5 + 1 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87230537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321642 + ... + 1321707.

It is an arithmetic number, because the mean of its divisors is an integer number (15860100).

Almost surely, 2^87230517 is an apocalyptic number.

It is an amenable number.

87230517 is a deficient number, since it is larger than the sum of its proper divisors (39650283).

87230517 is a wasteful number, since it uses less digits than its factorization.

87230517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643363.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 87230517 is about 9339.7278868284. The cubic root of 87230517 is about 443.4957702133.

The spelling of 87230517 in words is "eighty-seven million, two hundred thirty thousand, five hundred seventeen".