87323941 has 2 divisors, whose sum is σ = 87323942. Its totient is φ = 87323940.

The previous prime is 87323921. The next prime is 87323963. The reversal of 87323941 is 14932378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48011041 + 39312900 = 6929^2 + 6270^2 .

It is a cyclic number.

It is not a de Polignac number, because 87323941 - 2⁵ = 87323909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87323941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87323911) 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, 43661970 + 43661971.

It is an arithmetic number, because the mean of its divisors is an integer number (43661971).

Almost surely, 2^87323941 is an apocalyptic number.

It is an amenable number.

87323941 is a deficient number, since it is larger than the sum of its proper divisors (1).

87323941 is an equidigital number, since it uses as much as digits as its factorization.

87323941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 87323941 is about 9344.7279789195. The cubic root of 87323941 is about 443.6540419107.

The spelling of 87323941 in words is "eighty-seven million, three hundred twenty-three thousand, nine hundred forty-one".