87982523 has 2 divisors, whose sum is σ = 87982524. Its totient is φ = 87982522.

The previous prime is 87982519. The next prime is 87982541. The reversal of 87982523 is 32528978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87982523 - 2² = 87982519 is a prime.

It is not a weakly prime, because it can be changed into another prime (87982513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43991261 + 43991262.

It is an arithmetic number, because the mean of its divisors is an integer number (43991262).

Almost surely, 2^87982523 is an apocalyptic number.

87982523 is a deficient number, since it is larger than the sum of its proper divisors (1).

87982523 is an equidigital number, since it uses as much as digits as its factorization.

87982523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 87982523 is about 9379.8999461615. The cubic root of 87982523 is about 444.7665703309.

The spelling of 87982523 in words is "eighty-seven million, nine hundred eighty-two thousand, five hundred twenty-three".