105865260877 has 2 divisors, whose sum is σ = 105865260878. Its totient is φ = 105865260876.

The previous prime is 105865260841. The next prime is 105865260883. The reversal of 105865260877 is 778062568501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80554360041 + 25310900836 = 283821^2 + 159094^2 .

It is a cyclic number.

It is not a de Polignac number, because 105865260877 - 2²³ = 105856872269 is a prime.

It is a super-2 number, since 2×105865260877² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105865260817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52932630438 + 52932630439.

It is an arithmetic number, because the mean of its divisors is an integer number (52932630439).

Almost surely, 2^105865260877 is an apocalyptic number.

It is an amenable number.

105865260877 is a deficient number, since it is larger than the sum of its proper divisors (1).

105865260877 is an equidigital number, since it uses as much as digits as its factorization.

105865260877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 105865260877 in words is "one hundred five billion, eight hundred sixty-five million, two hundred sixty thousand, eight hundred seventy-seven".