778995588096 has 528 divisors, whose sum is σ = 2673789434880. Its totient is φ = 222148362240.

The previous prime is 778995588073. The next prime is 778995588139. The reversal of 778995588096 is 690885599877.

It is a tau number, because it is divible by the number of its divisors (528).

It is a congruent number.

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, 87888561 + ... + 87897423.

Almost surely, 2^778995588096 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 778995588096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336894717440).

778995588096 is an abundant number, since it is smaller than the sum of its proper divisors (1894793846784).

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

778995588096 is a wasteful number, since it uses less digits than its factorization.

778995588096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937 (or 8896 counting only the distinct ones).

The product of its (nonzero) digits is 2743372800, while the sum is 81.

The spelling of 778995588096 in words is "seven hundred seventy-eight billion, nine hundred ninety-five million, five hundred eighty-eight thousand, ninety-six".