87688201 has 2 divisors, whose sum is σ = 87688202. Its totient is φ = 87688200.

The previous prime is 87688147. The next prime is 87688231. The reversal of 87688201 is 10288678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 34047225 = 7324^2 + 5835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87688201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87688231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43844100 + 43844101.

It is an arithmetic number, because the mean of its divisors is an integer number (43844101).

Almost surely, 2^87688201 is an apocalyptic number.

It is an amenable number.

87688201 is a deficient number, since it is larger than the sum of its proper divisors (1).

87688201 is an equidigital number, since it uses as much as digits as its factorization.

87688201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 87688201 is about 9364.1978300333. The cubic root of 87688201 is about 444.2700670759.

The spelling of 87688201 in words is "eighty-seven million, six hundred eighty-eight thousand, two hundred one".