64854799 has 2 divisors, whose sum is σ = 64854800. Its totient is φ = 64854798.

The previous prime is 64854791. The next prime is 64854893. The reversal of 64854799 is 99745846.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64854799 - 2³ = 64854791 is a prime.

It is a super-3 number, since 3×64854799³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64854791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32427399 + 32427400.

It is an arithmetic number, because the mean of its divisors is an integer number (32427400).

Almost surely, 2^64854799 is an apocalyptic number.

64854799 is a deficient number, since it is larger than the sum of its proper divisors (1).

64854799 is an equidigital number, since it uses as much as digits as its factorization.

64854799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 64854799 is about 8053.2477299534. The cubic root of 64854799 is about 401.7729611612.

The spelling of 64854799 in words is "sixty-four million, eight hundred fifty-four thousand, seven hundred ninety-nine".