87930263 has 2 divisors, whose sum is σ = 87930264. Its totient is φ = 87930262.

The previous prime is 87930257. The next prime is 87930319. The reversal of 87930263 is 36203978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87930263 - 2⁴ = 87930247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87930203) 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, 43965131 + 43965132.

It is an arithmetic number, because the mean of its divisors is an integer number (43965132).

Almost surely, 2^87930263 is an apocalyptic number.

87930263 is a deficient number, since it is larger than the sum of its proper divisors (1).

87930263 is an equidigital number, since it uses as much as digits as its factorization.

87930263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 87930263 is about 9377.1137883679. The cubic root of 87930263 is about 444.6784918363.

The spelling of 87930263 in words is "eighty-seven million, nine hundred thirty thousand, two hundred sixty-three".