87063773 has 2 divisors, whose sum is σ = 87063774. Its totient is φ = 87063772.

The previous prime is 87063761. The next prime is 87063793. The reversal of 87063773 is 37736078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54493924 + 32569849 = 7382^2 + 5707^2 .

It is a cyclic number.

It is not a de Polignac number, because 87063773 - 2⁶ = 87063709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87063773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87063703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43531886 + 43531887.

It is an arithmetic number, because the mean of its divisors is an integer number (43531887).

Almost surely, 2^87063773 is an apocalyptic number.

It is an amenable number.

87063773 is a deficient number, since it is larger than the sum of its proper divisors (1).

87063773 is an equidigital number, since it uses as much as digits as its factorization.

87063773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 87063773 is about 9330.7970184760. The cubic root of 87063773 is about 443.2130043847.

The spelling of 87063773 in words is "eighty-seven million, sixty-three thousand, seven hundred seventy-three".