678744692234 has 16 divisors (see below), whose sum is σ = 1183283726400. Its totient is φ = 285960233184.

The previous prime is 678744692233. The next prime is 678744692251. The reversal of 678744692234 is 432296447876.

It is not an unprimeable number, because it can be changed into a prime (678744692233) 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, 410861579 + ... + 410863230.

It is an arithmetic number, because the mean of its divisors is an integer number (73955232900).

Almost surely, 2^678744692234 is an apocalyptic number.

678744692234 is a deficient number, since it is larger than the sum of its proper divisors (504539034166).

678744692234 is a wasteful number, since it uses less digits than its factorization.

678744692234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821724877.

The product of its digits is 97542144, while the sum is 62.

The spelling of 678744692234 in words is "six hundred seventy-eight billion, seven hundred forty-four million, six hundred ninety-two thousand, two hundred thirty-four".