201387143077 has 2 divisors, whose sum is σ = 201387143078. Its totient is φ = 201387143076.

The previous prime is 201387143063. The next prime is 201387143081. The reversal of 201387143077 is 770341783102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144460046241 + 56927096836 = 380079^2 + 238594^2 .

It is a cyclic number.

It is not a de Polignac number, because 201387143077 - 2¹¹ = 201387141029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201387143677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100693571538 + 100693571539.

It is an arithmetic number, because the mean of its divisors is an integer number (100693571539).

Almost surely, 2^201387143077 is an apocalyptic number.

It is an amenable number.

201387143077 is a deficient number, since it is larger than the sum of its proper divisors (1).

201387143077 is an equidigital number, since it uses as much as digits as its factorization.

201387143077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 201387143077 in words is "two hundred one billion, three hundred eighty-seven million, one hundred forty-three thousand, seventy-seven".