678047348 has 24 divisors (see below), whose sum is σ = 1329442464. Its totient is φ = 299872800.

The previous prime is 678047339. The next prime is 678047351. The reversal of 678047348 is 843740876.

It is a super-2 number, since 2×678047348² = 919496412259666208, which contains 22 as substring.

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, 206618 + ... + 209873.

It is an arithmetic number, because the mean of its divisors is an integer number (55393436).

Almost surely, 2^678047348 is an apocalyptic number.

It is an amenable number.

678047348 is a deficient number, since it is larger than the sum of its proper divisors (651395116).

678047348 is a wasteful number, since it uses less digits than its factorization.

678047348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416543 (or 416541 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 678047348 is about 26039.3423112029. The cubic root of 678047348 is about 878.5234139163.

The spelling of 678047348 in words is "six hundred seventy-eight million, forty-seven thousand, three hundred forty-eight".