778598604 has 72 divisors (see below), whose sum is σ = 2321865728. Its totient is φ = 215278560.

The previous prime is 778598603. The next prime is 778598609. The reversal of 778598604 is 406895877.

778598604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (778598603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42022 + ... + 57645.

Almost surely, 2^778598604 is an apocalyptic number.

It is an amenable number.

778598604 is an abundant number, since it is smaller than the sum of its proper divisors (1543267124).

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

778598604 is a wasteful number, since it uses less digits than its factorization.

778598604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99715 (or 99710 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 778598604 is about 27903.3797952864. The cubic root of 778598604 is about 919.9647922884.

The spelling of 778598604 in words is "seven hundred seventy-eight million, five hundred ninety-eight thousand, six hundred four".