77965376722 has 8 divisors (see below), whose sum is σ = 116953983216. Its totient is φ = 38980715652.

The previous prime is 77965376711. The next prime is 77965376759. The reversal of 77965376722 is 22767356977.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936448 + ... + 1016299.

It is an arithmetic number, because the mean of its divisors is an integer number (14619247902).

Almost surely, 2^77965376722 is an apocalyptic number.

77965376722 is a deficient number, since it is larger than the sum of its proper divisors (38988606494).

77965376722 is a wasteful number, since it uses less digits than its factorization.

77965376722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972712.

The product of its digits is 46675440, while the sum is 61.

The spelling of 77965376722 in words is "seventy-seven billion, nine hundred sixty-five million, three hundred seventy-six thousand, seven hundred twenty-two".