5978232981 has 24 divisors (see below), whose sum is σ = 9935078400. Its totient is φ = 3393200736.

The previous prime is 5978232977. The next prime is 5978233007. The reversal of 5978232981 is 1892328795.

5978232981 is a `hidden beast` number, since 597 + 8 + 23 + 29 + 8 + 1 = 666.

It is not a de Polignac number, because 5978232981 - 2² = 5978232977 is a prime.

It is a super-2 number, since 2×5978232981² = 71478539150232292722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5978232901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309045 + ... + 327818.

It is an arithmetic number, because the mean of its divisors is an integer number (413961600).

Almost surely, 2^5978232981 is an apocalyptic number.

It is an amenable number.

5978232981 is a deficient number, since it is larger than the sum of its proper divisors (3956845419).

5978232981 is a wasteful number, since it uses less digits than its factorization.

5978232981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637025 (or 637022 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 5978232981 is about 77319.0337562492. The cubic root of 5978232981 is about 1814.9205247171.

The spelling of 5978232981 in words is "five billion, nine hundred seventy-eight million, two hundred thirty-two thousand, nine hundred eighty-one".