87830087 has 2 divisors, whose sum is σ = 87830088. Its totient is φ = 87830086.

The previous prime is 87830059. The next prime is 87830089. The reversal of 87830087 is 78003878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87830087 - 2¹⁴ = 87813703 is a prime.

Together with 87830089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87830089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43915043 + 43915044.

It is an arithmetic number, because the mean of its divisors is an integer number (43915044).

Almost surely, 2^87830087 is an apocalyptic number.

87830087 is a deficient number, since it is larger than the sum of its proper divisors (1).

87830087 is an equidigital number, since it uses as much as digits as its factorization.

87830087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 87830087 is about 9371.7707505039. The cubic root of 87830087 is about 444.5095585687.

The spelling of 87830087 in words is "eighty-seven million, eight hundred thirty thousand, eighty-seven".