12758583787 has 2 divisors, whose sum is σ = 12758583788. Its totient is φ = 12758583786.

The previous prime is 12758583779. The next prime is 12758583839. The reversal of 12758583787 is 78738585721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12758583787 - 2³ = 12758583779 is a prime.

It is a super-2 number, since 2×12758583787² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12758583737) 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, 6379291893 + 6379291894.

It is an arithmetic number, because the mean of its divisors is an integer number (6379291894).

Almost surely, 2^12758583787 is an apocalyptic number.

12758583787 is a deficient number, since it is larger than the sum of its proper divisors (1).

12758583787 is an equidigital number, since it uses as much as digits as its factorization.

12758583787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26342400, while the sum is 61.

The spelling of 12758583787 in words is "twelve billion, seven hundred fifty-eight million, five hundred eighty-three thousand, seven hundred eighty-seven".