778295480 has 32 divisors (see below), whose sum is σ = 1843333200. Its totient is φ = 294932736.

The previous prime is 778295473. The next prime is 778295503. The reversal of 778295480 is 84592877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511277 + ... + 512796.

Almost surely, 2^778295480 is an apocalyptic number.

It is an amenable number.

778295480 is an abundant number, since it is smaller than the sum of its proper divisors (1065037720).

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

778295480 is a wasteful number, since it uses less digits than its factorization.

778295480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024103 (or 1024099 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 778295480 is about 27897.9475947604. The cubic root of 778295480 is about 919.8453898976.

The spelling of 778295480 in words is "seven hundred seventy-eight million, two hundred ninety-five thousand, four hundred eighty".