65850660287 has 2 divisors, whose sum is σ = 65850660288. Its totient is φ = 65850660286.

The previous prime is 65850660269. The next prime is 65850660299. The reversal of 65850660287 is 78206605856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65850660287 - 2¹⁰ = 65850659263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65850668287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32925330143 + 32925330144.

It is an arithmetic number, because the mean of its divisors is an integer number (32925330144).

Almost surely, 2^65850660287 is an apocalyptic number.

65850660287 is a deficient number, since it is larger than the sum of its proper divisors (1).

65850660287 is an equidigital number, since it uses as much as digits as its factorization.

65850660287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 65850660287 in words is "sixty-five billion, eight hundred fifty million, six hundred sixty thousand, two hundred eighty-seven".