5978728945 has 16 divisors (see below), whose sum is σ = 8201836800. Its totient is φ = 4098481344.

The previous prime is 5978728907. The next prime is 5978728949. The reversal of 5978728945 is 5498278795.

It is a cyclic number.

It is not a de Polignac number, because 5978728945 - 2⁹ = 5978728433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5978728949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103231 + ... + 150379.

It is an arithmetic number, because the mean of its divisors is an integer number (512614800).

Almost surely, 2^5978728945 is an apocalyptic number.

It is an amenable number.

5978728945 is a deficient number, since it is larger than the sum of its proper divisors (2223107855).

5978728945 is a wasteful number, since it uses less digits than its factorization.

5978728945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50784.

The product of its digits is 50803200, while the sum is 64.

The square root of 5978728945 is about 77322.2409465737. The cubic root of 5978728945 is about 1814.9707129223.

The spelling of 5978728945 in words is "five billion, nine hundred seventy-eight million, seven hundred twenty-eight thousand, nine hundred forty-five".