778702968 has 24 divisors (see below), whose sum is σ = 2108987400. Its totient is φ = 259567632.

The previous prime is 778702949. The next prime is 778703017. The reversal of 778702968 is 869207877.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5407588 + ... + 5407731.

It is an arithmetic number, because the mean of its divisors is an integer number (87874475).

Almost surely, 2^778702968 is an apocalyptic number.

It is an amenable number.

778702968 is an abundant number, since it is smaller than the sum of its proper divisors (1330284432).

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

778702968 is a wasteful number, since it uses less digits than its factorization.

778702968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10815331 (or 10815324 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 778702968 is about 27905.2498286613. The cubic root of 778702968 is about 920.0058947322.

The spelling of 778702968 in words is "seven hundred seventy-eight million, seven hundred two thousand, nine hundred sixty-eight".