87522329 has 4 divisors (see below), whose sum is σ = 89557776. Its totient is φ = 85486884.

The previous prime is 87522317. The next prime is 87522343. The reversal of 87522329 is 92322578.

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 87522329 - 2⁸ = 87522073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87522292 and 87522301.

It is not an unprimeable number, because it can be changed into a prime (87522629) 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, 1017659 + ... + 1017744.

It is an arithmetic number, because the mean of its divisors is an integer number (22389444).

Almost surely, 2^87522329 is an apocalyptic number.

It is an amenable number.

87522329 is a deficient number, since it is larger than the sum of its proper divisors (2035447).

87522329 is a wasteful number, since it uses less digits than its factorization.

87522329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035446.

The product of its digits is 60480, while the sum is 38.

The square root of 87522329 is about 9355.3369260546. The cubic root of 87522329 is about 443.9897614851.

The spelling of 87522329 in words is "eighty-seven million, five hundred twenty-two thousand, three hundred twenty-nine".