5978718109 has 16 divisors (see below), whose sum is σ = 7360254720. Its totient is φ = 4729236480.

The previous prime is 5978718073. The next prime is 5978718203. The reversal of 5978718109 is 9018178795.

It is a cyclic number.

It is not a de Polignac number, because 5978718109 - 2²¹ = 5976620957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5978718109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5978715109) 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, 639549 + ... + 648829.

It is an arithmetic number, because the mean of its divisors is an integer number (460015920).

Almost surely, 2^5978718109 is an apocalyptic number.

It is an amenable number.

5978718109 is a deficient number, since it is larger than the sum of its proper divisors (1381536611).

5978718109 is a wasteful number, since it uses less digits than its factorization.

5978718109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380.

The product of its (nonzero) digits is 1270080, while the sum is 55.

The square root of 5978718109 is about 77322.1708761465. The cubic root of 5978718109 is about 1814.9696164220.

The spelling of 5978718109 in words is "five billion, nine hundred seventy-eight million, seven hundred eighteen thousand, one hundred nine".