77798766110 has 32 divisors (see below), whose sum is σ = 150843168000. Its totient is φ = 28719364608.

The previous prime is 77798766077. The next prime is 77798766169. The reversal of 77798766110 is 1166789777.

It is a self number, because there is not a number n which added to its sum of digits gives 77798766110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547766 + ... + 675014.

It is an arithmetic number, because the mean of its divisors is an integer number (4713849000).

Almost surely, 2^77798766110 is an apocalyptic number.

77798766110 is a deficient number, since it is larger than the sum of its proper divisors (73044401890).

77798766110 is a wasteful number, since it uses less digits than its factorization.

77798766110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131972.

The product of its (nonzero) digits is 6223392, while the sum is 59.

The spelling of 77798766110 in words is "seventy-seven billion, seven hundred ninety-eight million, seven hundred sixty-six thousand, one hundred ten".