87484297 has 2 divisors, whose sum is σ = 87484298. Its totient is φ = 87484296.

The previous prime is 87484279. The next prime is 87484301. The reversal of 87484297 is 79248478.

Together with previous prime (87484279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61921161 + 25563136 = 7869^2 + 5056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87484297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87484297.

It is not a weakly prime, because it can be changed into another prime (87484217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43742148 + 43742149.

It is an arithmetic number, because the mean of its divisors is an integer number (43742149).

Almost surely, 2^87484297 is an apocalyptic number.

It is an amenable number.

87484297 is a deficient number, since it is larger than the sum of its proper divisors (1).

87484297 is an equidigital number, since it uses as much as digits as its factorization.

87484297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 49.

The square root of 87484297 is about 9353.3040686166. The cubic root of 87484297 is about 443.9254416509.

The spelling of 87484297 in words is "eighty-seven million, four hundred eighty-four thousand, two hundred ninety-seven".