11764684871987 has 2 divisors, whose sum is σ = 11764684871988. Its totient is φ = 11764684871986.

The previous prime is 11764684871917. The next prime is 11764684872011. The reversal of 11764684871987 is 78917848646711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11764684871987 - 2²⁴ = 11764668094771 is a prime.

It is not a weakly prime, because it can be changed into another prime (11764684871917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5882342435993 + 5882342435994.

It is an arithmetic number, because the mean of its divisors is an integer number (5882342435994).

Almost surely, 2^{11764684871987} is an apocalyptic number.

11764684871987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11764684871987 is an equidigital number, since it uses as much as digits as its factorization.

11764684871987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 910393344, while the sum is 77.

The spelling of 11764684871987 in words is "eleven trillion, seven hundred sixty-four billion, six hundred eighty-four million, eight hundred seventy-one thousand, nine hundred eighty-seven".