77118000828 has 24 divisors (see below), whose sum is σ = 196300366080. Its totient is φ = 23369091120.

The previous prime is 77118000821. The next prime is 77118000829. The reversal of 77118000828 is 82800081177.

It is a self number, because there is not a number n which added to its sum of digits gives 77118000828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77118000821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292113508 + ... + 292113771.

It is an arithmetic number, because the mean of its divisors is an integer number (8179181920).

Almost surely, 2^77118000828 is an apocalyptic number.

It is an amenable number.

77118000828 is an abundant number, since it is smaller than the sum of its proper divisors (119182365252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77118000828 is a wasteful number, since it uses less digits than its factorization.

77118000828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584227297 (or 584227295 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 42.

The spelling of 77118000828 in words is "seventy-seven billion, one hundred eighteen million, eight hundred twenty-eight", and thus it is an aban number.