5489785787 has 2 divisors, whose sum is σ = 5489785788. Its totient is φ = 5489785786.

The previous prime is 5489785783. The next prime is 5489785813. The reversal of 5489785787 is 7875879845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5489785787 - 2² = 5489785783 is a prime.

It is not a weakly prime, because it can be changed into another prime (5489785781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2744892893 + 2744892894.

It is an arithmetic number, because the mean of its divisors is an integer number (2744892894).

Almost surely, 2^5489785787 is an apocalyptic number.

5489785787 is a deficient number, since it is larger than the sum of its proper divisors (1).

5489785787 is an equidigital number, since it uses as much as digits as its factorization.

5489785787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158054400, while the sum is 68.

The square root of 5489785787 is about 74093.0886587946. The cubic root of 5489785787 is about 1764.0807714372.

The spelling of 5489785787 in words is "five billion, four hundred eighty-nine million, seven hundred eighty-five thousand, seven hundred eighty-seven".