968689877 has 2 divisors, whose sum is σ = 968689878. Its totient is φ = 968689876.

The previous prime is 968689861. The next prime is 968689913. The reversal of 968689877 is 778986869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951167281 + 17522596 = 30841^2 + 4186^2 .

It is a cyclic number.

It is not a de Polignac number, because 968689877 - 2⁴ = 968689861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968689807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484344938 + 484344939.

It is an arithmetic number, because the mean of its divisors is an integer number (484344939).

Almost surely, 2^968689877 is an apocalyptic number.

It is an amenable number.

968689877 is a deficient number, since it is larger than the sum of its proper divisors (1).

968689877 is an equidigital number, since it uses as much as digits as its factorization.

968689877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 68.

The square root of 968689877 is about 31123.7831408715. The cubic root of 968689877 is about 989.4524322919.

The spelling of 968689877 in words is "nine hundred sixty-eight million, six hundred eighty-nine thousand, eight hundred seventy-seven".