1068604877 has 2 divisors, whose sum is σ = 1068604878. Its totient is φ = 1068604876.

The previous prime is 1068604861. The next prime is 1068604903. The reversal of 1068604877 is 7784068601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828633796 + 239971081 = 28786^2 + 15491^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068604877 - 2⁴ = 1068604861 is a prime.

It is a super-2 number, since 2×1068604877² = 2283832766296370258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068604177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534302438 + 534302439.

It is an arithmetic number, because the mean of its divisors is an integer number (534302439).

Almost surely, 2^1068604877 is an apocalyptic number.

It is an amenable number.

1068604877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068604877 is an equidigital number, since it uses as much as digits as its factorization.

1068604877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 1068604877 is about 32689.5224345661. The cubic root of 1068604877 is about 1022.3643974222.

The spelling of 1068604877 in words is "one billion, sixty-eight million, six hundred four thousand, eight hundred seventy-seven".