1355882977 has 2 divisors, whose sum is σ = 1355882978. Its totient is φ = 1355882976.

The previous prime is 1355882963. The next prime is 1355882981. The reversal of 1355882977 is 7792885531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 844716096 + 511166881 = 29064^2 + 22609^2 .

It is an emirp because it is prime and its reverse (7792885531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355882977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355882917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677941488 + 677941489.

It is an arithmetic number, because the mean of its divisors is an integer number (677941489).

Almost surely, 2^1355882977 is an apocalyptic number.

It is an amenable number.

1355882977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355882977 is an equidigital number, since it uses as much as digits as its factorization.

1355882977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 55.

The square root of 1355882977 is about 36822.3162905323. The cubic root of 1355882977 is about 1106.8125360031.

The spelling of 1355882977 in words is "one billion, three hundred fifty-five million, eight hundred eighty-two thousand, nine hundred seventy-seven".