12350177779 has 4 divisors (see below), whose sum is σ = 12351552840. Its totient is φ = 12348802720.

The previous prime is 12350177767. The next prime is 12350177789. The reversal of 12350177779 is 97777105321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12350177779 - 2¹⁷ = 12350046707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12350177789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673969 + ... + 692050.

It is an arithmetic number, because the mean of its divisors is an integer number (3087888210).

Almost surely, 2^12350177779 is an apocalyptic number.

12350177779 is a deficient number, since it is larger than the sum of its proper divisors (1375061).

12350177779 is an equidigital number, since it uses as much as digits as its factorization.

12350177779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375060.

The product of its (nonzero) digits is 648270, while the sum is 49.

The spelling of 12350177779 in words is "twelve billion, three hundred fifty million, one hundred seventy-seven thousand, seven hundred seventy-nine".