5678338945 has 16 divisors (see below), whose sum is σ = 6915530880. Its totient is φ = 4475136384.

The previous prime is 5678338927. The next prime is 5678338957. The reversal of 5678338945 is 5498338765.

It is a cyclic number.

It is not a de Polignac number, because 5678338945 - 2⁷ = 5678338817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5678338945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314986 + ... + 332524.

It is an arithmetic number, because the mean of its divisors is an integer number (432220680).

Almost surely, 2^5678338945 is an apocalyptic number.

It is an amenable number.

5678338945 is a deficient number, since it is larger than the sum of its proper divisors (1237191935).

5678338945 is a wasteful number, since it uses less digits than its factorization.

5678338945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504.

The product of its digits is 21772800, while the sum is 58.

The square root of 5678338945 is about 75354.7539641661. The cubic root of 5678338945 is about 1784.0503381911.

The spelling of 5678338945 in words is "five billion, six hundred seventy-eight million, three hundred thirty-eight thousand, nine hundred forty-five".