87467197 has 2 divisors, whose sum is σ = 87467198. Its totient is φ = 87467196.

The previous prime is 87467189. The next prime is 87467201. The reversal of 87467197 is 79176478.

87467197 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55442916 + 32024281 = 7446^2 + 5659^2 .

It is a cyclic number.

It is not a de Polignac number, because 87467197 - 2³ = 87467189 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87467197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87467167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43733598 + 43733599.

It is an arithmetic number, because the mean of its divisors is an integer number (43733599).

Almost surely, 2^87467197 is an apocalyptic number.

It is an amenable number.

87467197 is a deficient number, since it is larger than the sum of its proper divisors (1).

87467197 is an equidigital number, since it uses as much as digits as its factorization.

87467197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 49.

The square root of 87467197 is about 9352.3899084672. The cubic root of 87467197 is about 443.8965160038.

The spelling of 87467197 in words is "eighty-seven million, four hundred sixty-seven thousand, one hundred ninety-seven".