788877778887 has 48 divisors (see below), whose sum is σ = 1281189806208. Its totient is φ = 463541538240.

The previous prime is 788877778831. The next prime is 788877778991.

788877778887 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 788877778887 - 2⁶ = 788877778823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 788877778797 and 788877778806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788877774887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 656128 + ... + 1417130.

It is an arithmetic number, because the mean of its divisors is an integer number (26691454296).

Almost surely, 2^788877778887 is an apocalyptic number.

788877778887 is a deficient number, since it is larger than the sum of its proper divisors (492312027321).

788877778887 is a wasteful number, since it uses less digits than its factorization.

788877778887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761340 (or 761337 counting only the distinct ones).

The product of its digits is 30840979456, while the sum is 90.

The spelling of 788877778887 in words is "seven hundred eighty-eight billion, eight hundred seventy-seven million, seven hundred seventy-eight thousand, eight hundred eighty-seven".