2616765677 has 2 divisors, whose sum is σ = 2616765678. Its totient is φ = 2616765676.

The previous prime is 2616765659. The next prime is 2616765691. The reversal of 2616765677 is 7765676162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1532644201 + 1084121476 = 39149^2 + 32926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2616765677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2616765607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308382838 + 1308382839.

It is an arithmetic number, because the mean of its divisors is an integer number (1308382839).

Almost surely, 2^2616765677 is an apocalyptic number.

It is an amenable number.

2616765677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616765677 is an equidigital number, since it uses as much as digits as its factorization.

2616765677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 53.

The square root of 2616765677 is about 51154.3319475487. The cubic root of 2616765677 is about 1378.0181727153.

The spelling of 2616765677 in words is "two billion, six hundred sixteen million, seven hundred sixty-five thousand, six hundred seventy-seven".