5978506931 has 2 divisors, whose sum is σ = 5978506932. Its totient is φ = 5978506930.

The previous prime is 5978506913. The next prime is 5978506939. The reversal of 5978506931 is 1396058795.

Together with previous prime (5978506913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5978506931 - 2¹⁸ = 5978244787 is a prime.

It is a super-2 number, since 2×5978506931² = 71485090248030077522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5978506939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989253465 + 2989253466.

It is an arithmetic number, because the mean of its divisors is an integer number (2989253466).

Almost surely, 2^5978506931 is an apocalyptic number.

5978506931 is a deficient number, since it is larger than the sum of its proper divisors (1).

5978506931 is an equidigital number, since it uses as much as digits as its factorization.

5978506931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The square root of 5978506931 is about 77320.8052919782. The cubic root of 5978506931 is about 1814.9482469490.

The spelling of 5978506931 in words is "five billion, nine hundred seventy-eight million, five hundred six thousand, nine hundred thirty-one".