1136776387 has 2 divisors, whose sum is σ = 1136776388. Its totient is φ = 1136776386.

The previous prime is 1136776363. The next prime is 1136776427. The reversal of 1136776387 is 7836776311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1136776387 - 2⁷ = 1136776259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1136776387.

It is not a weakly prime, because it can be changed into another prime (1136776087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568388193 + 568388194.

It is an arithmetic number, because the mean of its divisors is an integer number (568388194).

Almost surely, 2^1136776387 is an apocalyptic number.

1136776387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136776387 is an equidigital number, since it uses as much as digits as its factorization.

1136776387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 1136776387 is about 33716.1146486365. The cubic root of 1136776387 is about 1043.6583400116.

The spelling of 1136776387 in words is "one billion, one hundred thirty-six million, seven hundred seventy-six thousand, three hundred eighty-seven".