6978028153 has 2 divisors, whose sum is σ = 6978028154. Its totient is φ = 6978028152.

The previous prime is 6978028151. The next prime is 6978028181. The reversal of 6978028153 is 3518208796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6227103744 + 750924409 = 78912^2 + 27403^2 .

It is a cyclic number.

It is not a de Polignac number, because 6978028153 - 2¹ = 6978028151 is a prime.

Together with 6978028151, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6978028097 and 6978028106.

It is not a weakly prime, because it can be changed into another prime (6978028151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489014076 + 3489014077.

It is an arithmetic number, because the mean of its divisors is an integer number (3489014077).

Almost surely, 2^6978028153 is an apocalyptic number.

It is an amenable number.

6978028153 is a deficient number, since it is larger than the sum of its proper divisors (1).

6978028153 is an equidigital number, since it uses as much as digits as its factorization.

6978028153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 6978028153 is about 83534.5925530256. The cubic root of 6978028153 is about 1910.9276263982.

The spelling of 6978028153 in words is "six billion, nine hundred seventy-eight million, twenty-eight thousand, one hundred fifty-three".