64006811 has 8 divisors (see below), whose sum is σ = 70336944. Its totient is φ = 57761920.

The previous prime is 64006793. The next prime is 64006823. The reversal of 64006811 is 11860046.

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 64006811 - 2²² = 59812507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64006841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19730 + ... + 22743.

It is an arithmetic number, because the mean of its divisors is an integer number (8792118).

Almost surely, 2^64006811 is an apocalyptic number.

64006811 is a deficient number, since it is larger than the sum of its proper divisors (6330133).

64006811 is a wasteful number, since it uses less digits than its factorization.

64006811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42621.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 64006811 is about 8000.4256761750. The cubic root of 64006811 is about 400.0141890800.

Adding to 64006811 its reverse (11860046), we get a palindrome (75866857).

The spelling of 64006811 in words is "sixty-four million, six thousand, eight hundred eleven".