2159760677 has 2 divisors, whose sum is σ = 2159760678. Its totient is φ = 2159760676.

The previous prime is 2159760643. The next prime is 2159760689. The reversal of 2159760677 is 7760679512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1586110276 + 573650401 = 39826^2 + 23951^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159760677 - 2¹⁶ = 2159695141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159760637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079880338 + 1079880339.

It is an arithmetic number, because the mean of its divisors is an integer number (1079880339).

Almost surely, 2^2159760677 is an apocalyptic number.

It is an amenable number.

2159760677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159760677 is an equidigital number, since it uses as much as digits as its factorization.

2159760677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 2159760677 is about 46473.2253776301. The cubic root of 2159760677 is about 1292.6130709805.

The spelling of 2159760677 in words is "two billion, one hundred fifty-nine million, seven hundred sixty thousand, six hundred seventy-seven".