87363569 has 2 divisors, whose sum is σ = 87363570. Its totient is φ = 87363568.

The previous prime is 87363547. The next prime is 87363593. The reversal of 87363569 is 96536378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76387600 + 10975969 = 8740^2 + 3313^2 .

It is a cyclic number.

It is not a de Polignac number, because 87363569 - 2⁸ = 87363313 is a prime.

It is a super-2 number, since 2×87363569² = 15264786376835522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87363509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43681784 + 43681785.

It is an arithmetic number, because the mean of its divisors is an integer number (43681785).

Almost surely, 2^87363569 is an apocalyptic number.

It is an amenable number.

87363569 is a deficient number, since it is larger than the sum of its proper divisors (1).

87363569 is an equidigital number, since it uses as much as digits as its factorization.

87363569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 87363569 is about 9346.8480783631. The cubic root of 87363569 is about 443.7211424995.

The spelling of 87363569 in words is "eighty-seven million, three hundred sixty-three thousand, five hundred sixty-nine".