1179944487 has 6 divisors (see below), whose sum is σ = 1704364272. Its totient is φ = 786629652.

The previous prime is 1179944477. The next prime is 1179944539. The reversal of 1179944487 is 7844499711.

1179944487 is a `hidden beast` number, since 1 + 1 + 79 + 94 + 4 + 487 = 666.

It is not a de Polignac number, because 1179944487 - 2⁴ = 1179944471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179944407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65552463 + ... + 65552480.

It is an arithmetic number, because the mean of its divisors is an integer number (284060712).

Almost surely, 2^1179944487 is an apocalyptic number.

1179944487 is a deficient number, since it is larger than the sum of its proper divisors (524419785).

1179944487 is a wasteful number, since it uses less digits than its factorization.

1179944487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131104949 (or 131104946 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 1179944487 is about 34350.3200421772. The cubic root of 1179944487 is about 1056.7052338696.

The spelling of 1179944487 in words is "one billion, one hundred seventy-nine million, nine hundred forty-four thousand, four hundred eighty-seven".