64866883 has 16 divisors (see below), whose sum is σ = 70982784. Its totient is φ = 59028480.

The previous prime is 64866871. The next prime is 64866887. The reversal of 64866883 is 38866846.

It is a cyclic number.

It is not a de Polignac number, because 64866883 - 2¹³ = 64858691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64866887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176566 + ... + 176932.

It is an arithmetic number, because the mean of its divisors is an integer number (4436424).

Almost surely, 2^64866883 is an apocalyptic number.

64866883 is a deficient number, since it is larger than the sum of its proper divisors (6115901).

64866883 is a wasteful number, since it uses less digits than its factorization.

64866883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 1327104, while the sum is 49.

The square root of 64866883 is about 8053.9979513283. The cubic root of 64866883 is about 401.7979129151.

The spelling of 64866883 in words is "sixty-four million, eight hundred sixty-six thousand, eight hundred eighty-three".