87363473 has 2 divisors, whose sum is σ = 87363474. Its totient is φ = 87363472.

The previous prime is 87363469. The next prime is 87363481. The reversal of 87363473 is 37436378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 71824 = 9343^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 87363473 - 2² = 87363469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87363473.

It is not a weakly prime, because it can be changed into another prime (87363403) 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, 43681736 + 43681737.

It is an arithmetic number, because the mean of its divisors is an integer number (43681737).

Almost surely, 2^87363473 is an apocalyptic number.

It is an amenable number.

87363473 is a deficient number, since it is larger than the sum of its proper divisors (1).

87363473 is an equidigital number, since it uses as much as digits as its factorization.

87363473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 87363473 is about 9346.8429429407. The cubic root of 87363473 is about 443.7209799709.

It can be divided in two parts, 873 and 63473, that added together give a palindrome (64346).

The spelling of 87363473 in words is "eighty-seven million, three hundred sixty-three thousand, four hundred seventy-three".