12377772187 has 16 divisors (see below), whose sum is σ = 13677919200. Its totient is φ = 11107549440.

The previous prime is 12377772139. The next prime is 12377772193. The reversal of 12377772187 is 78127777321.

12377772187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12377772187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12377772107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303343 + ... + 341719.

It is an arithmetic number, because the mean of its divisors is an integer number (854869950).

Almost surely, 2^12377772187 is an apocalyptic number.

12377772187 is a deficient number, since it is larger than the sum of its proper divisors (1300147013).

12377772187 is a wasteful number, since it uses less digits than its factorization.

12377772187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38766.

The product of its digits is 1613472, while the sum is 52.

The spelling of 12377772187 in words is "twelve billion, three hundred seventy-seven million, seven hundred seventy-two thousand, one hundred eighty-seven".