678673295 has 4 divisors (see below), whose sum is σ = 814407960. Its totient is φ = 542938632.

The previous prime is 678673241. The next prime is 678673301. The reversal of 678673295 is 592376876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 678673295 - 2⁶ = 678673231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67867325 + ... + 67867334.

It is an arithmetic number, because the mean of its divisors is an integer number (203601990).

Almost surely, 2^678673295 is an apocalyptic number.

678673295 is a deficient number, since it is larger than the sum of its proper divisors (135734665).

678673295 is a wasteful number, since it uses less digits than its factorization.

678673295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135734664.

The product of its digits is 3810240, while the sum is 53.

The square root of 678673295 is about 26051.3587937367. The cubic root of 678673295 is about 878.7936703448.

The spelling of 678673295 in words is "six hundred seventy-eight million, six hundred seventy-three thousand, two hundred ninety-five".