1178848487 has 2 divisors, whose sum is σ = 1178848488. Its totient is φ = 1178848486.

The previous prime is 1178848481. The next prime is 1178848513. The reversal of 1178848487 is 7848488711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1178848487 - 2⁶ = 1178848423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1178848481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589424243 + 589424244.

It is an arithmetic number, because the mean of its divisors is an integer number (589424244).

Almost surely, 2^1178848487 is an apocalyptic number.

1178848487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1178848487 is an equidigital number, since it uses as much as digits as its factorization.

1178848487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3211264, while the sum is 56.

The square root of 1178848487 is about 34334.3630638461. The cubic root of 1178848487 is about 1056.3779564089.

The spelling of 1178848487 in words is "one billion, one hundred seventy-eight million, eight hundred forty-eight thousand, four hundred eighty-seven".