5261688877 has 2 divisors, whose sum is σ = 5261688878. Its totient is φ = 5261688876.

The previous prime is 5261688857. The next prime is 5261688881. The reversal of 5261688877 is 7788861625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5234377801 + 27311076 = 72349^2 + 5226^2 .

It is a cyclic number.

It is not a de Polignac number, because 5261688877 - 2¹⁵ = 5261656109 is a prime.

It is a super-2 number, since 2×5261688877² = 55370739676691042258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5261688847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630844438 + 2630844439.

It is an arithmetic number, because the mean of its divisors is an integer number (2630844439).

Almost surely, 2^5261688877 is an apocalyptic number.

It is an amenable number.

5261688877 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261688877 is an equidigital number, since it uses as much as digits as its factorization.

5261688877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 58.

The square root of 5261688877 is about 72537.4997983801. The cubic root of 5261688877 is about 1739.3022345360.

The spelling of 5261688877 in words is "five billion, two hundred sixty-one million, six hundred eighty-eight thousand, eight hundred seventy-seven".