788012979840 has 384 divisors, whose sum is σ = 2945521972800. Its totient is φ = 199075387392.

The previous prime is 788012979829. The next prime is 788012979863. The reversal of 788012979840 is 48979210887.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6174919 + ... + 6301241.

Almost surely, 2^788012979840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 788012979840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472760986400).

788012979840 is an abundant number, since it is smaller than the sum of its proper divisors (2157508992960).

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

788012979840 is a wasteful number, since it uses less digits than its factorization.

788012979840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126389 (or 126352 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 788012979840 in words is "seven hundred eighty-eight billion, twelve million, nine hundred seventy-nine thousand, eight hundred forty".