65722282085 has 16 divisors (see below), whose sum is σ = 79373139840. Its totient is φ = 52241165760.

The previous prime is 65722282079. The next prime is 65722282099. The reversal of 65722282085 is 58028222756.

It is not a de Polignac number, because 65722282085 - 2¹² = 65722277989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503744 + ... + 620646.

It is an arithmetic number, because the mean of its divisors is an integer number (4960821240).

Almost surely, 2^65722282085 is an apocalyptic number.

It is an amenable number.

65722282085 is a deficient number, since it is larger than the sum of its proper divisors (13650857755).

65722282085 is a wasteful number, since it uses less digits than its factorization.

65722282085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117628.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 65722282085 in words is "sixty-five billion, seven hundred twenty-two million, two hundred eighty-two thousand, eighty-five".