87711853 has 2 divisors, whose sum is σ = 87711854. Its totient is φ = 87711852.

The previous prime is 87711817. The next prime is 87711889. The reversal of 87711853 is 35811778.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (87711817) and next prime (87711889).

It can be written as a sum of positive squares in only one way, i.e., 87553449 + 158404 = 9357^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 87711853 - 2¹³ = 87703661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87718853) 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, 43855926 + 43855927.

It is an arithmetic number, because the mean of its divisors is an integer number (43855927).

Almost surely, 2^87711853 is an apocalyptic number.

It is an amenable number.

87711853 is a deficient number, since it is larger than the sum of its proper divisors (1).

87711853 is an equidigital number, since it uses as much as digits as its factorization.

87711853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 40.

The square root of 87711853 is about 9365.4606400326. The cubic root of 87711853 is about 444.3100075730.

The spelling of 87711853 in words is "eighty-seven million, seven hundred eleven thousand, eight hundred fifty-three".