12776783101 has 8 divisors (see below), whose sum is σ = 12923550720. Its totient is φ = 12630606912.

The previous prime is 12776783059. The next prime is 12776783209. The reversal of 12776783101 is 10138767721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12776783101 - 2⁹ = 12776782589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776783401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104331 + ... + 190888.

It is an arithmetic number, because the mean of its divisors is an integer number (1615443840).

Almost surely, 2^12776783101 is an apocalyptic number.

It is an amenable number.

12776783101 is a deficient number, since it is larger than the sum of its proper divisors (146767619).

12776783101 is a wasteful number, since it uses less digits than its factorization.

12776783101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295715.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 12776783101 in words is "twelve billion, seven hundred seventy-six million, seven hundred eighty-three thousand, one hundred one".