64854347 has 2 divisors, whose sum is σ = 64854348. Its totient is φ = 64854346.

The previous prime is 64854343. The next prime is 64854359. The reversal of 64854347 is 74345846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64854347 - 2² = 64854343 is a prime.

It is not a weakly prime, because it can be changed into another prime (64854341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32427173 + 32427174.

It is an arithmetic number, because the mean of its divisors is an integer number (32427174).

Almost surely, 2^64854347 is an apocalyptic number.

64854347 is a deficient number, since it is larger than the sum of its proper divisors (1).

64854347 is an equidigital number, since it uses as much as digits as its factorization.

64854347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The square root of 64854347 is about 8053.2196666923. The cubic root of 64854347 is about 401.7720277848.

The spelling of 64854347 in words is "sixty-four million, eight hundred fifty-four thousand, three hundred forty-seven".