678754354 has 16 divisors (see below), whose sum is σ = 1055323008. Its totient is φ = 327195792.

The previous prime is 678754327. The next prime is 678754369. The reversal of 678754354 is 453457876.

It is a junction number, because it is equal to n+sod(n) for n = 678754298 and 678754307.

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, 47589 + ... + 60184.

It is an arithmetic number, because the mean of its divisors is an integer number (65957688).

Almost surely, 2^678754354 is an apocalyptic number.

678754354 is a deficient number, since it is larger than the sum of its proper divisors (376568654).

678754354 is a wasteful number, since it uses less digits than its factorization.

678754354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107889.

The product of its digits is 2822400, while the sum is 49.

The square root of 678754354 is about 26052.9145010688. The cubic root of 678754354 is about 878.8286559070.

The spelling of 678754354 in words is "six hundred seventy-eight million, seven hundred fifty-four thousand, three hundred fifty-four".