65611087 has 2 divisors, whose sum is σ = 65611088. Its totient is φ = 65611086.

The previous prime is 65611061. The next prime is 65611153. The reversal of 65611087 is 78011656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65611087 - 2²³ = 57222479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65611037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32805543 + 32805544.

It is an arithmetic number, because the mean of its divisors is an integer number (32805544).

Almost surely, 2^65611087 is an apocalyptic number.

65611087 is a deficient number, since it is larger than the sum of its proper divisors (1).

65611087 is an equidigital number, since it uses as much as digits as its factorization.

65611087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 65611087 is about 8100.0670984875. The cubic root of 65611087 is about 403.3286545610.

The spelling of 65611087 in words is "sixty-five million, six hundred eleven thousand, eighty-seven".