77668805822 has 8 divisors (see below), whose sum is σ = 116697059472. Its totient is φ = 38769786000.

The previous prime is 77668805803. The next prime is 77668805827. The reversal of 77668805822 is 22850886677.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77668805827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32306954 + ... + 32309357.

It is an arithmetic number, because the mean of its divisors is an integer number (14587132434).

Almost surely, 2^77668805822 is an apocalyptic number.

77668805822 is a deficient number, since it is larger than the sum of its proper divisors (39028253650).

77668805822 is a wasteful number, since it uses less digits than its factorization.

77668805822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64616914.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 77668805822 in words is "seventy-seven billion, six hundred sixty-eight million, eight hundred five thousand, eight hundred twenty-two".