87424361 has 2 divisors, whose sum is σ = 87424362. Its totient is φ = 87424360.

The previous prime is 87424331. The next prime is 87424367. The reversal of 87424361 is 16342478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 20757136 = 8165^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 87424361 - 2⁶ = 87424297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87424367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43712180 + 43712181.

It is an arithmetic number, because the mean of its divisors is an integer number (43712181).

Almost surely, 2^87424361 is an apocalyptic number.

It is an amenable number.

87424361 is a deficient number, since it is larger than the sum of its proper divisors (1).

87424361 is an equidigital number, since it uses as much as digits as its factorization.

87424361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 87424361 is about 9350.0995181870. The cubic root of 87424361 is about 443.8240398576.

The spelling of 87424361 in words is "eighty-seven million, four hundred twenty-four thousand, three hundred sixty-one".