87727853 has 2 divisors, whose sum is σ = 87727854. Its totient is φ = 87727852.

The previous prime is 87727847. The next prime is 87727877. The reversal of 87727853 is 35872778.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50737129 + 36990724 = 7123^2 + 6082^2 .

It is a cyclic number.

It is not a de Polignac number, because 87727853 - 2¹⁴ = 87711469 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 87727798 and 87727807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87727153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43863926 + 43863927.

It is an arithmetic number, because the mean of its divisors is an integer number (43863927).

Almost surely, 2^87727853 is an apocalyptic number.

It is an amenable number.

87727853 is a deficient number, since it is larger than the sum of its proper divisors (1).

87727853 is an equidigital number, since it uses as much as digits as its factorization.

87727853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 47.

The square root of 87727853 is about 9366.3148035927. The cubic root of 87727853 is about 444.3370222720.

The spelling of 87727853 in words is "eighty-seven million, seven hundred twenty-seven thousand, eight hundred fifty-three".