2998478677 has 2 divisors, whose sum is σ = 2998478678. Its totient is φ = 2998478676.

The previous prime is 2998478663. The next prime is 2998478699. The reversal of 2998478677 is 7768748992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2183319076 + 815159601 = 46726^2 + 28551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2998478677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2998428677) 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, 1499239338 + 1499239339.

It is an arithmetic number, because the mean of its divisors is an integer number (1499239339).

Almost surely, 2^2998478677 is an apocalyptic number.

It is an amenable number.

2998478677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998478677 is an equidigital number, since it uses as much as digits as its factorization.

2998478677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85349376, while the sum is 67.

The square root of 2998478677 is about 54758.3662740225. The cubic root of 2998478677 is about 1442.0057371481.

The spelling of 2998478677 in words is "two billion, nine hundred ninety-eight million, four hundred seventy-eight thousand, six hundred seventy-seven".