87206099 has 2 divisors, whose sum is σ = 87206100. Its totient is φ = 87206098.

The previous prime is 87206047. The next prime is 87206101. The reversal of 87206099 is 99060278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87206099 is a prime.

Together with 87206101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87206699) 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, 43603049 + 43603050.

It is an arithmetic number, because the mean of its divisors is an integer number (43603050).

Almost surely, 2^87206099 is an apocalyptic number.

87206099 is a deficient number, since it is larger than the sum of its proper divisors (1).

87206099 is an equidigital number, since it uses as much as digits as its factorization.

87206099 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 41.

The square root of 87206099 is about 9338.4205838032. The cubic root of 87206099 is about 443.4543845044.

The spelling of 87206099 in words is "eighty-seven million, two hundred six thousand, ninety-nine".