87734291 has 2 divisors, whose sum is σ = 87734292. Its totient is φ = 87734290.

The previous prime is 87734281. The next prime is 87734321. The reversal of 87734291 is 19243778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87734291 - 2¹⁰ = 87733267 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87734281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43867145 + 43867146.

It is an arithmetic number, because the mean of its divisors is an integer number (43867146).

Almost surely, 2^87734291 is an apocalyptic number.

87734291 is a deficient number, since it is larger than the sum of its proper divisors (1).

87734291 is an equidigital number, since it uses as much as digits as its factorization.

87734291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 87734291 is about 9366.6584756785. The cubic root of 87734291 is about 444.3478913847.

The spelling of 87734291 in words is "eighty-seven million, seven hundred thirty-four thousand, two hundred ninety-one".