678003403347 has 20 divisors (see below), whose sum is σ = 1012842658080. Its totient is φ = 451992111984.

The previous prime is 678003403309. The next prime is 678003403409. The reversal of 678003403347 is 743304300876.

It is not a de Polignac number, because 678003403347 - 2²⁷ = 677869185619 is a prime.

It is a super-2 number, since 2×678003403347² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (678003403247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5795878 + ... + 5911700.

It is an arithmetic number, because the mean of its divisors is an integer number (50642132904).

Almost surely, 2^678003403347 is an apocalyptic number.

678003403347 is a deficient number, since it is larger than the sum of its proper divisors (334839254733).

678003403347 is a wasteful number, since it uses less digits than its factorization.

678003403347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188104 (or 188095 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 678003403347 in words is "six hundred seventy-eight billion, three million, four hundred three thousand, three hundred forty-seven".