678058271434 has 8 divisors (see below), whose sum is σ = 1017142586208. Its totient is φ = 339010742700.

The previous prime is 678058271419. The next prime is 678058271467. The reversal of 678058271434 is 434172850876.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9150382 + ... + 9224185.

It is an arithmetic number, because the mean of its divisors is an integer number (127142823276).

Almost surely, 2^678058271434 is an apocalyptic number.

678058271434 is a deficient number, since it is larger than the sum of its proper divisors (339084314774).

678058271434 is a wasteful number, since it uses less digits than its factorization.

678058271434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18393020.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 678058271434 in words is "six hundred seventy-eight billion, fifty-eight million, two hundred seventy-one thousand, four hundred thirty-four".