778082460 has 48 divisors (see below), whose sum is σ = 2188183200. Its totient is φ = 206578944.

The previous prime is 778082413. The next prime is 778082467. The reversal of 778082460 is 64280877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (778082467) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14575 + ... + 42054.

It is an arithmetic number, because the mean of its divisors is an integer number (45587150).

Almost surely, 2^778082460 is an apocalyptic number.

It is an amenable number.

778082460 is an abundant number, since it is smaller than the sum of its proper divisors (1410100740).

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

778082460 is a wasteful number, since it uses less digits than its factorization.

778082460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56870 (or 56868 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 778082460 is about 27894.1294899124. The cubic root of 778082460 is about 919.7614614713.

The spelling of 778082460 in words is "seven hundred seventy-eight million, eighty-two thousand, four hundred sixty".