12477810623 has 4 divisors (see below), whose sum is σ = 12478117608. Its totient is φ = 12477503640.

The previous prime is 12477810619. The next prime is 12477810641. The reversal of 12477810623 is 32601877421.

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 12477810623 - 2² = 12477810619 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 (12477810613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81161 + ... + 177602.

It is an arithmetic number, because the mean of its divisors is an integer number (3119529402).

Almost surely, 2^12477810623 is an apocalyptic number.

12477810623 is a deficient number, since it is larger than the sum of its proper divisors (306985).

12477810623 is an equidigital number, since it uses as much as digits as its factorization.

12477810623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306984.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 12477810623 in words is "twelve billion, four hundred seventy-seven million, eight hundred ten thousand, six hundred twenty-three".