65787004427 has 2 divisors, whose sum is σ = 65787004428. Its totient is φ = 65787004426.

The previous prime is 65787004411. The next prime is 65787004429. The reversal of 65787004427 is 72440078756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65787004427 - 2⁴ = 65787004411 is a prime.

Together with 65787004429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65787004429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32893502213 + 32893502214.

It is an arithmetic number, because the mean of its divisors is an integer number (32893502214).

Almost surely, 2^65787004427 is an apocalyptic number.

65787004427 is a deficient number, since it is larger than the sum of its proper divisors (1).

65787004427 is an equidigital number, since it uses as much as digits as its factorization.

65787004427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 65787004427 in words is "sixty-five billion, seven hundred eighty-seven million, four thousand, four hundred twenty-seven".