64793855 has 8 divisors (see below), whose sum is σ = 88860192. Its totient is φ = 44430048.

The previous prime is 64793831. The next prime is 64793879. The reversal of 64793855 is 55839746.

It is an interprime number because it is at equal distance from previous prime (64793831) and next prime (64793879).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64793855 - 2¹² = 64789759 is a prime.

It is a super-3 number, since 3×64793855³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925592 + ... + 925661.

It is an arithmetic number, because the mean of its divisors is an integer number (11107524).

Almost surely, 2^64793855 is an apocalyptic number.

64793855 is a deficient number, since it is larger than the sum of its proper divisors (24066337).

64793855 is a wasteful number, since it uses less digits than its factorization.

64793855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851265.

The product of its digits is 907200, while the sum is 47.

The square root of 64793855 is about 8049.4630255688. The cubic root of 64793855 is about 401.6470731496.

The spelling of 64793855 in words is "sixty-four million, seven hundred ninety-three thousand, eight hundred fifty-five".