678534911248 has 20 divisors (see below), whose sum is σ = 1318385654748. Its totient is φ = 338306355200.

The previous prime is 678534911183. The next prime is 678534911273. The reversal of 678534911248 is 842119435876.

It can be written as a sum of positive squares in 2 ways, for example, as 224706337024 + 453828574224 = 474032^2 + 673668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 678534911192 and 678534911201.

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, 60062953 + ... + 60074248.

Almost surely, 2^678534911248 is an apocalyptic number.

It is an amenable number.

678534911248 is a deficient number, since it is larger than the sum of its proper divisors (639850743500).

678534911248 is a wasteful number, since it uses less digits than its factorization.

678534911248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120137562 (or 120137556 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The spelling of 678534911248 in words is "six hundred seventy-eight billion, five hundred thirty-four million, nine hundred eleven thousand, two hundred forty-eight".