778375480 has 16 divisors (see below), whose sum is σ = 1751344920. Its totient is φ = 311350176.

The previous prime is 778375471. The next prime is 778375511. The reversal of 778375480 is 84573877.

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 3 ways as a sum of consecutive naturals, for example, 9729654 + ... + 9729733.

Almost surely, 2^778375480 is an apocalyptic number.

It is an amenable number.

778375480 is an abundant number, since it is smaller than the sum of its proper divisors (972969440).

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

778375480 is a wasteful number, since it uses less digits than its factorization.

778375480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19459398 (or 19459394 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 49.

The square root of 778375480 is about 27899.3813551484. The cubic root of 778375480 is about 919.8769053960.

The spelling of 778375480 in words is "seven hundred seventy-eight million, three hundred seventy-five thousand, four hundred eighty".