772323147122 has 6 divisors (see below), whose sum is σ = 1158486584943. Its totient is φ = 386160952142.

The previous prime is 772323147083. The next prime is 772323147149. The reversal of 772323147122 is 221741323277.

It can be written as a sum of positive squares in only one way, i.e., 386161573561 + 386161573561 = 621419^2 + 621419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=621419.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 772323147122.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 932129 + ... + 1553547.

Almost surely, 2^772323147122 is an apocalyptic number.

772323147122 is a deficient number, since it is larger than the sum of its proper divisors (386163437821).

772323147122 is an frugal number, since it uses more digits than its factorization.

772323147122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242840 (or 621421 counting only the distinct ones).

The product of its digits is 197568, while the sum is 41.

The spelling of 772323147122 in words is "seven hundred seventy-two billion, three hundred twenty-three million, one hundred forty-seven thousand, one hundred twenty-two".