854616238547 has 2 divisors, whose sum is σ = 854616238548. Its totient is φ = 854616238546.

The previous prime is 854616238501. The next prime is 854616238649. The reversal of 854616238547 is 745832616458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 854616238547 - 2¹⁶ = 854616173011 is a prime.

It is not a weakly prime, because it can be changed into another prime (854616238447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427308119273 + 427308119274.

It is an arithmetic number, because the mean of its divisors is an integer number (427308119274).

Almost surely, 2^854616238547 is an apocalyptic number.

854616238547 is a deficient number, since it is larger than the sum of its proper divisors (1).

854616238547 is an equidigital number, since it uses as much as digits as its factorization.

854616238547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38707200, while the sum is 59.

The spelling of 854616238547 in words is "eight hundred fifty-four billion, six hundred sixteen million, two hundred thirty-eight thousand, five hundred forty-seven".