5578061887 has 2 divisors, whose sum is σ = 5578061888. Its totient is φ = 5578061886.

The previous prime is 5578061861. The next prime is 5578061891. The reversal of 5578061887 is 7881608755.

5578061887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5578061887 is a prime.

It is a super-2 number, since 2×5578061887² = 62229548830404001538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5578061387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789030943 + 2789030944.

It is an arithmetic number, because the mean of its divisors is an integer number (2789030944).

Almost surely, 2^5578061887 is an apocalyptic number.

5578061887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5578061887 is an equidigital number, since it uses as much as digits as its factorization.

5578061887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3763200, while the sum is 55.

The square root of 5578061887 is about 74686.4237127472. The cubic root of 5578061887 is about 1773.4860475083.

The spelling of 5578061887 in words is "five billion, five hundred seventy-eight million, sixty-one thousand, eight hundred eighty-seven".