5177647679 has 2 divisors, whose sum is σ = 5177647680. Its totient is φ = 5177647678.

The previous prime is 5177647669. The next prime is 5177647697. The reversal of 5177647679 is 9767467715.

It is a happy number.

Together with next prime (5177647697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5177647679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5177647639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2588823839 + 2588823840.

It is an arithmetic number, because the mean of its divisors is an integer number (2588823840).

Almost surely, 2^5177647679 is an apocalyptic number.

5177647679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5177647679 is an equidigital number, since it uses as much as digits as its factorization.

5177647679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15558480, while the sum is 59.

The square root of 5177647679 is about 71955.8731376390. The cubic root of 5177647679 is about 1729.9922793601.

The spelling of 5177647679 in words is "five billion, one hundred seventy-seven million, six hundred forty-seven thousand, six hundred seventy-nine".