87504497 has 2 divisors, whose sum is σ = 87504498. Its totient is φ = 87504496.

The previous prime is 87504451. The next prime is 87504509. The reversal of 87504497 is 79440578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78925456 + 8579041 = 8884^2 + 2929^2 .

It is a cyclic number.

It is not a de Polignac number, because 87504497 - 2¹⁰ = 87503473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87534497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43752248 + 43752249.

It is an arithmetic number, because the mean of its divisors is an integer number (43752249).

Almost surely, 2^87504497 is an apocalyptic number.

It is an amenable number.

87504497 is a deficient number, since it is larger than the sum of its proper divisors (1).

87504497 is an equidigital number, since it uses as much as digits as its factorization.

87504497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 87504497 is about 9354.3838386074. The cubic root of 87504497 is about 443.9596062730.

The spelling of 87504497 in words is "eighty-seven million, five hundred four thousand, four hundred ninety-seven".