676217358378 has 24 divisors (see below), whose sum is σ = 1465660795716. Its totient is φ = 225325296000.

The previous prime is 676217358367. The next prime is 676217358403. The reversal of 676217358378 is 873853712676.

676217358378 is a `hidden beast` number, since 67 + 6 + 217 + 358 + 3 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 584082648009 + 92134710369 = 764253^2 + 303537^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6655693 + ... + 6756528.

Almost surely, 2^676217358378 is an apocalyptic number.

676217358378 is an abundant number, since it is smaller than the sum of its proper divisors (789443437338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676217358378 is a wasteful number, since it uses less digits than its factorization.

676217358378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415030 (or 13415027 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 676217358378 in words is "six hundred seventy-six billion, two hundred seventeen million, three hundred fifty-eight thousand, three hundred seventy-eight".