12776909057 has 8 divisors (see below), whose sum is σ = 13939356000. Its totient is φ = 11614613760.

The previous prime is 12776908999. The next prime is 12776909071. The reversal of 12776909057 is 75090967721.

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 12776909057 - 2²² = 12772714753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12776909077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207194 + ... + 261692.

It is an arithmetic number, because the mean of its divisors is an integer number (1742419500).

Almost surely, 2^12776909057 is an apocalyptic number.

It is an amenable number.

12776909057 is a deficient number, since it is larger than the sum of its proper divisors (1162446943).

12776909057 is a wasteful number, since it uses less digits than its factorization.

12776909057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75823.

The product of its (nonzero) digits is 1666980, while the sum is 53.

The spelling of 12776909057 in words is "twelve billion, seven hundred seventy-six million, nine hundred nine thousand, fifty-seven".