14247897077 has 2 divisors, whose sum is σ = 14247897078. Its totient is φ = 14247897076.

The previous prime is 14247897043. The next prime is 14247897107. The reversal of 14247897077 is 77079874241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11475979876 + 2771917201 = 107126^2 + 52649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14247897077 is a prime.

It is a super-2 number, since 2×14247897077² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14247897277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7123948538 + 7123948539.

It is an arithmetic number, because the mean of its divisors is an integer number (7123948539).

Almost surely, 2^14247897077 is an apocalyptic number.

It is an amenable number.

14247897077 is a deficient number, since it is larger than the sum of its proper divisors (1).

14247897077 is an equidigital number, since it uses as much as digits as its factorization.

14247897077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5531904, while the sum is 56.

The spelling of 14247897077 in words is "fourteen billion, two hundred forty-seven million, eight hundred ninety-seven thousand, seventy-seven".