778606848 has 216 divisors, whose sum is σ = 2385102720. Its totient is φ = 243855360.

The previous prime is 778606813. The next prime is 778606853. The reversal of 778606848 is 848606877.

It is a junction number, because it is equal to n+sod(n) for n = 778606794 and 778606803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2872953 + ... + 2873223.

Almost surely, 2^778606848 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 778606848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192551360).

778606848 is an abundant number, since it is smaller than the sum of its proper divisors (1606495872).

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

778606848 is a wasteful number, since it uses less digits than its factorization.

778606848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 778606848 is about 27903.5275189357. The cubic root of 778606848 is about 919.9680392174.

The spelling of 778606848 in words is "seven hundred seventy-eight million, six hundred six thousand, eight hundred forty-eight".