678936124 has 6 divisors (see below), whose sum is σ = 1188138224. Its totient is φ = 339468060.

The previous prime is 678936121. The next prime is 678936127. The reversal of 678936124 is 421639876.

It is an interprime number because it is at equal distance from previous prime (678936121) and next prime (678936127).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678936121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84867012 + ... + 84867019.

Almost surely, 2^678936124 is an apocalyptic number.

It is an amenable number.

678936124 is a deficient number, since it is larger than the sum of its proper divisors (509202100).

678936124 is a wasteful number, since it uses less digits than its factorization.

678936124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169734035 (or 169734033 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 678936124 is about 26056.4027448149. The cubic root of 678936124 is about 878.9070988302.

The spelling of 678936124 in words is "six hundred seventy-eight million, nine hundred thirty-six thousand, one hundred twenty-four".