12550147877 has 2 divisors, whose sum is σ = 12550147878. Its totient is φ = 12550147876.

The previous prime is 12550147873. The next prime is 12550147963. The reversal of 12550147877 is 77874105521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10969210756 + 1580937121 = 104734^2 + 39761^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550147877 - 2² = 12550147873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12550147871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275073938 + 6275073939.

It is an arithmetic number, because the mean of its divisors is an integer number (6275073939).

Almost surely, 2^12550147877 is an apocalyptic number.

It is an amenable number.

12550147877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550147877 is an equidigital number, since it uses as much as digits as its factorization.

12550147877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 548800, while the sum is 47.

The spelling of 12550147877 in words is "twelve billion, five hundred fifty million, one hundred forty-seven thousand, eight hundred seventy-seven".