1179944977 has 2 divisors, whose sum is σ = 1179944978. Its totient is φ = 1179944976.

The previous prime is 1179944939. The next prime is 1179944981. The reversal of 1179944977 is 7794499711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016079376 + 163865601 = 31876^2 + 12801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1179944977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1179944377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589972488 + 589972489.

It is an arithmetic number, because the mean of its divisors is an integer number (589972489).

Almost surely, 2^1179944977 is an apocalyptic number.

It is an amenable number.

1179944977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179944977 is an equidigital number, since it uses as much as digits as its factorization.

1179944977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 58.

The square root of 1179944977 is about 34350.3271745700. The cubic root of 1179944977 is about 1056.7053801436.

The spelling of 1179944977 in words is "one billion, one hundred seventy-nine million, nine hundred forty-four thousand, nine hundred seventy-seven".