788888864444444 has 6 divisors (see below), whose sum is σ = 1380555512777784. Its totient is φ = 394444432222220.

The previous prime is 788888864444347. The next prime is 788888864444477. The reversal of 788888864444444 is 444444468888887.

It is a self number, because there is not a number n which added to its sum of digits gives 788888864444444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98611108055552 + ... + 98611108055559.

It is an arithmetic number, because the mean of its divisors is an integer number (230092585462964).

Almost surely, 2^{788888864444444} is an apocalyptic number.

It is an amenable number.

788888864444444 is a deficient number, since it is larger than the sum of its proper divisors (591666648333340).

788888864444444 is a wasteful number, since it uses less digits than its factorization.

788888864444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197222216111115 (or 197222216111113 counting only the distinct ones).

The product of its digits is 180388626432, while the sum is 89.

The spelling of 788888864444444 in words is "seven hundred eighty-eight trillion, eight hundred eighty-eight billion, eight hundred sixty-four million, four hundred forty-four thousand, four hundred forty-four".