14971864871077 has 2 divisors, whose sum is σ = 14971864871078. Its totient is φ = 14971864871076.

The previous prime is 14971864871023. The next prime is 14971864871083. The reversal of 14971864871077 is 77017846817941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12548640268836 + 2423224602241 = 3542406^2 + 1556671^2 .

It is a cyclic number.

It is not a de Polignac number, because 14971864871077 - 2²³ = 14971856482469 is a prime.

It is a super-2 number, since 2×14971864871077² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14971864870997 and 14971864871015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14971864811077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7485932435538 + 7485932435539.

It is an arithmetic number, because the mean of its divisors is an integer number (7485932435539).

Almost surely, 2^{14971864871077} is an apocalyptic number.

It is an amenable number.

14971864871077 is a deficient number, since it is larger than the sum of its proper divisors (1).

14971864871077 is an equidigital number, since it uses as much as digits as its factorization.

14971864871077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132765696, while the sum is 70.

The spelling of 14971864871077 in words is "fourteen trillion, nine hundred seventy-one billion, eight hundred sixty-four million, eight hundred seventy-one thousand, seventy-seven".