77804196722 has 32 divisors (see below), whose sum is σ = 135563145600. Its totient is φ = 32800940928.

The previous prime is 77804196719. The next prime is 77804196751. The reversal of 77804196722 is 22769140877.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286904 + ... + 487772.

It is an arithmetic number, because the mean of its divisors is an integer number (4236348300).

Almost surely, 2^77804196722 is an apocalyptic number.

77804196722 is a deficient number, since it is larger than the sum of its proper divisors (57758948878).

77804196722 is a wasteful number, since it uses less digits than its factorization.

77804196722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201330.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 77804196722 in words is "seventy-seven billion, eight hundred four million, one hundred ninety-six thousand, seven hundred twenty-two".