87958099 has 2 divisors, whose sum is σ = 87958100. Its totient is φ = 87958098.

The previous prime is 87958063. The next prime is 87958133. The reversal of 87958099 is 99085978.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87958099 - 2¹¹ = 87956051 is a prime.

It is not a weakly prime, because it can be changed into another prime (87958019) 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, 43979049 + 43979050.

It is an arithmetic number, because the mean of its divisors is an integer number (43979050).

Almost surely, 2^87958099 is an apocalyptic number.

87958099 is a deficient number, since it is larger than the sum of its proper divisors (1).

87958099 is an equidigital number, since it uses as much as digits as its factorization.

87958099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 87958099 is about 9378.5979229307. The cubic root of 87958099 is about 444.7254107018.

The spelling of 87958099 in words is "eighty-seven million, nine hundred fifty-eight thousand, ninety-nine".