1355668877 has 2 divisors, whose sum is σ = 1355668878. Its totient is φ = 1355668876.

The previous prime is 1355668871. The next prime is 1355668883. The reversal of 1355668877 is 7788665531.

It is a balanced prime because it is at equal distance from previous prime (1355668871) and next prime (1355668883).

It can be written as a sum of positive squares in only one way, i.e., 1282069636 + 73599241 = 35806^2 + 8579^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355668877 - 2²⁰ = 1354620301 is a prime.

It is a super-2 number, since 2×1355668877² = 3675676208132882258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355668871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677834438 + 677834439.

It is an arithmetic number, because the mean of its divisors is an integer number (677834439).

Almost surely, 2^1355668877 is an apocalyptic number.

It is an amenable number.

1355668877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355668877 is an equidigital number, since it uses as much as digits as its factorization.

1355668877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 56.

The square root of 1355668877 is about 36819.4089713564. The cubic root of 1355668877 is about 1106.7542760496.

The spelling of 1355668877 in words is "one billion, three hundred fifty-five million, six hundred sixty-eight thousand, eight hundred seventy-seven".