2677679897 has 2 divisors, whose sum is σ = 2677679898. Its totient is φ = 2677679896.

The previous prime is 2677679887. The next prime is 2677679903. The reversal of 2677679897 is 7989767762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2178648976 + 499030921 = 46676^2 + 22339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2677679897 - 2²⁴ = 2660902681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2677679887) 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, 1338839948 + 1338839949.

It is an arithmetic number, because the mean of its divisors is an integer number (1338839949).

Almost surely, 2^2677679897 is an apocalyptic number.

It is an amenable number.

2677679897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2677679897 is an equidigital number, since it uses as much as digits as its factorization.

2677679897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112021056, while the sum is 68.

The square root of 2677679897 is about 51746.3032206166. The cubic root of 2677679897 is about 1388.6289634865.

The spelling of 2677679897 in words is "two billion, six hundred seventy-seven million, six hundred seventy-nine thousand, eight hundred ninety-seven".