2159676677 has 4 divisors (see below), whose sum is σ = 2209901760. Its totient is φ = 2109451596.

The previous prime is 2159676653. The next prime is 2159676697. The reversal of 2159676677 is 7766769512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2159676677 - 2⁶ = 2159676613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159676697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25112477 + ... + 25112562.

It is an arithmetic number, because the mean of its divisors is an integer number (552475440).

Almost surely, 2^2159676677 is an apocalyptic number.

It is an amenable number.

2159676677 is a deficient number, since it is larger than the sum of its proper divisors (50225083).

2159676677 is an equidigital number, since it uses as much as digits as its factorization.

2159676677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50225082.

The product of its digits is 6667920, while the sum is 56.

The square root of 2159676677 is about 46472.3216226605. The cubic root of 2159676677 is about 1292.5963128111.

The spelling of 2159676677 in words is "two billion, one hundred fifty-nine million, six hundred seventy-six thousand, six hundred seventy-seven".