142477922677 has 2 divisors, whose sum is σ = 142477922678. Its totient is φ = 142477922676.

The previous prime is 142477922581. The next prime is 142477922683. The reversal of 142477922677 is 776229774241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83482856356 + 58995066321 = 288934^2 + 242889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142477922677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142477922177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71238961338 + 71238961339.

It is an arithmetic number, because the mean of its divisors is an integer number (71238961339).

Almost surely, 2^142477922677 is an apocalyptic number.

It is an amenable number.

142477922677 is a deficient number, since it is larger than the sum of its proper divisors (1).

142477922677 is an equidigital number, since it uses as much as digits as its factorization.

142477922677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16595712, while the sum is 58.

The spelling of 142477922677 in words is "one hundred forty-two billion, four hundred seventy-seven million, nine hundred twenty-two thousand, six hundred seventy-seven".