4684128767987 has 2 divisors, whose sum is σ = 4684128767988. Its totient is φ = 4684128767986.

The previous prime is 4684128767977. The next prime is 4684128768019. The reversal of 4684128767987 is 7897678214864.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4684128767987 - 2⁴² = 286082256883 is a prime.

It is not a weakly prime, because it can be changed into another prime (4684128767947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342064383993 + 2342064383994.

It is an arithmetic number, because the mean of its divisors is an integer number (2342064383994).

Almost surely, 2^{4684128767987} is an apocalyptic number.

4684128767987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4684128767987 is an equidigital number, since it uses as much as digits as its factorization.

4684128767987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1820786688, while the sum is 77.

The spelling of 4684128767987 in words is "four trillion, six hundred eighty-four billion, one hundred twenty-eight million, seven hundred sixty-seven thousand, nine hundred eighty-seven".