678825348 has 24 divisors (see below), whose sum is σ = 1620762528. Its totient is φ = 221012736.

The previous prime is 678825337. The next prime is 678825349. The reversal of 678825348 is 843528876.

It is a happy number.

It is a super-2 number, since 2×678825348² = 921607706174642208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 678825348.

It is not an unprimeable number, because it can be changed into a prime (678825349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657261 + ... + 658292.

It is an arithmetic number, because the mean of its divisors is an integer number (67531772).

Almost surely, 2^678825348 is an apocalyptic number.

It is an amenable number.

678825348 is an abundant number, since it is smaller than the sum of its proper divisors (941937180).

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

678825348 is a wasteful number, since it uses less digits than its factorization.

678825348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315603 (or 1315601 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 678825348 is about 26054.2769617581. The cubic root of 678825348 is about 878.8592950654.

The spelling of 678825348 in words is "six hundred seventy-eight million, eight hundred twenty-five thousand, three hundred forty-eight".