7140066077 has 2 divisors, whose sum is σ = 7140066078. Its totient is φ = 7140066076.

The previous prime is 7140066049. The next prime is 7140066139. The reversal of 7140066077 is 7706600417.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4723950361 + 2416115716 = 68731^2 + 49154^2 .

It is an emirp because it is prime and its reverse (7706600417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7140066077 - 2⁶ = 7140066013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7140066077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140066047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570033038 + 3570033039.

It is an arithmetic number, because the mean of its divisors is an integer number (3570033039).

Almost surely, 2^7140066077 is an apocalyptic number.

It is an amenable number.

7140066077 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140066077 is an equidigital number, since it uses as much as digits as its factorization.

7140066077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 7140066077 is about 84498.9116912165. The cubic root of 7140066077 is about 1925.6059105293.

The spelling of 7140066077 in words is "seven billion, one hundred forty million, sixty-six thousand, seventy-seven".