87417329 has 4 divisors (see below), whose sum is σ = 87702384. Its totient is φ = 87132276.

The previous prime is 87417311. The next prime is 87417353. The reversal of 87417329 is 92371478.

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.

It is a cyclic number.

It is not a de Polignac number, because 87417329 - 2¹² = 87413233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87417359) 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, 142067 + ... + 142680.

It is an arithmetic number, because the mean of its divisors is an integer number (21925596).

Almost surely, 2^87417329 is an apocalyptic number.

It is an amenable number.

87417329 is a deficient number, since it is larger than the sum of its proper divisors (285055).

87417329 is a wasteful number, since it uses less digits than its factorization.

87417329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285054.

The product of its digits is 84672, while the sum is 41.

The square root of 87417329 is about 9349.7234718466. The cubic root of 87417329 is about 443.8121398399.

The spelling of 87417329 in words is "eighty-seven million, four hundred seventeen thousand, three hundred twenty-nine".