87452329 has 2 divisors, whose sum is σ = 87452330. Its totient is φ = 87452328.

The previous prime is 87452293. The next prime is 87452363. The reversal of 87452329 is 92325478.

Together with previous prime (87452293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 2812329 = 9200^2 + 1677^2 .

It is a cyclic number.

It is not a de Polignac number, because 87452329 - 2¹⁹ = 86928041 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 87452291 and 87452300.

It is not a weakly prime, because it can be changed into another prime (87452129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43726164 + 43726165.

It is an arithmetic number, because the mean of its divisors is an integer number (43726165).

Almost surely, 2^87452329 is an apocalyptic number.

It is an amenable number.

87452329 is a deficient number, since it is larger than the sum of its proper divisors (1).

87452329 is an equidigital number, since it uses as much as digits as its factorization.

87452329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 87452329 is about 9351.5949976461. The cubic root of 87452329 is about 443.8713628508.

The spelling of 87452329 in words is "eighty-seven million, four hundred fifty-two thousand, three hundred twenty-nine".