107777608769 has 2 divisors, whose sum is σ = 107777608770. Its totient is φ = 107777608768.

The previous prime is 107777608759. The next prime is 107777608787. The reversal of 107777608769 is 967806777701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102749097025 + 5028511744 = 320545^2 + 70912^2 .

It is a cyclic number.

It is not a de Polignac number, because 107777608769 - 2⁸ = 107777608513 is a prime.

It is a super-2 number, since 2×107777608769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107777608759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53888804384 + 53888804385.

It is an arithmetic number, because the mean of its divisors is an integer number (53888804385).

Almost surely, 2^107777608769 is an apocalyptic number.

It is an amenable number.

107777608769 is a deficient number, since it is larger than the sum of its proper divisors (1).

107777608769 is an equidigital number, since it uses as much as digits as its factorization.

107777608769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43563744, while the sum is 65.

The spelling of 107777608769 in words is "one hundred seven billion, seven hundred seventy-seven million, six hundred eight thousand, seven hundred sixty-nine".