12577825999 has 2 divisors, whose sum is σ = 12577826000. Its totient is φ = 12577825998.

The previous prime is 12577825987. The next prime is 12577826047. The reversal of 12577825999 is 99952877521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12577825999 - 2¹⁵ = 12577793231 is a prime.

It is a super-2 number, since 2×12577825999² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12577825999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12577825199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288912999 + 6288913000.

It is an arithmetic number, because the mean of its divisors is an integer number (6288913000).

Almost surely, 2^12577825999 is an apocalyptic number.

12577825999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577825999 is an equidigital number, since it uses as much as digits as its factorization.

12577825999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28576800, while the sum is 64.

The spelling of 12577825999 in words is "twelve billion, five hundred seventy-seven million, eight hundred twenty-five thousand, nine hundred ninety-nine".