778325 has 12 divisors (see below), whose sum is σ = 976128. Its totient is φ = 615600.

The previous prime is 778319. The next prime is 778333. The reversal of 778325 is 523877.

778325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 778325 - 2¹² = 774229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 778291 and 778300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3980 + ... + 4170.

It is an arithmetic number, because the mean of its divisors is an integer number (81344).

2⁷⁷⁸³²⁵ is an apocalyptic number.

It is an amenable number.

778325 is a deficient number, since it is larger than the sum of its proper divisors (197803).

778325 is a wasteful number, since it uses less digits than its factorization.

778325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 359 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 778325 is about 882.2272949756. The cubic root of 778325 is about 91.9857019368.

The spelling of 778325 in words is "seven hundred seventy-eight thousand, three hundred twenty-five".