14487864503977 has 2 divisors, whose sum is σ = 14487864503978. Its totient is φ = 14487864503976.

The previous prime is 14487864503921. The next prime is 14487864504019. The reversal of 14487864503977 is 77930546878441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14201057128041 + 286807375936 = 3768429^2 + 535544^2 .

It is a cyclic number.

It is not a de Polignac number, because 14487864503977 - 2¹⁵ = 14487864471209 is a prime.

It is not a weakly prime, because it can be changed into another prime (14487864503377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7243932251988 + 7243932251989.

It is an arithmetic number, because the mean of its divisors is an integer number (7243932251989).

Almost surely, 2^{14487864503977} is an apocalyptic number.

It is an amenable number.

14487864503977 is a deficient number, since it is larger than the sum of its proper divisors (1).

14487864503977 is an equidigital number, since it uses as much as digits as its factorization.

14487864503977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1137991680, while the sum is 73.

The spelling of 14487864503977 in words is "fourteen trillion, four hundred eighty-seven billion, eight hundred sixty-four million, five hundred three thousand, nine hundred seventy-seven".