87082223 has 2 divisors, whose sum is σ = 87082224. Its totient is φ = 87082222.

The previous prime is 87082199. The next prime is 87082231. The reversal of 87082223 is 32228078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87082223 - 2¹² = 87078127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87082223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87082243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43541111 + 43541112.

It is an arithmetic number, because the mean of its divisors is an integer number (43541112).

Almost surely, 2^87082223 is an apocalyptic number.

87082223 is a deficient number, since it is larger than the sum of its proper divisors (1).

87082223 is an equidigital number, since it uses as much as digits as its factorization.

87082223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 87082223 is about 9331.7856276278. The cubic root of 87082223 is about 443.2443097986.

The spelling of 87082223 in words is "eighty-seven million, eighty-two thousand, two hundred twenty-three".