65722277803 has 16 divisors (see below), whose sum is σ = 80951855040. Its totient is φ = 51959609856.

The previous prime is 65722277791. The next prime is 65722277821. The reversal of 65722277803 is 30877222756.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-65722277803 is a prime.

It is a super-2 number, since 2×65722277803² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65722277603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162850 + ... + 397447.

It is an arithmetic number, because the mean of its divisors is an integer number (5059490940).

Almost surely, 2^65722277803 is an apocalyptic number.

65722277803 is a deficient number, since it is larger than the sum of its proper divisors (15229577237).

65722277803 is a wasteful number, since it uses less digits than its factorization.

65722277803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561606.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 65722277803 in words is "sixty-five billion, seven hundred twenty-two million, two hundred seventy-seven thousand, eight hundred three".