64879283 has 12 divisors (see below), whose sum is σ = 75746160. Its totient is φ = 55408752.

The previous prime is 64879279. The next prime is 64879301. The reversal of 64879283 is 38297846.

It is not a de Polignac number, because 64879283 - 2² = 64879279 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64879253) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12098 + ... + 16616.

It is an arithmetic number, because the mean of its divisors is an integer number (6312180).

Almost surely, 2^64879283 is an apocalyptic number.

64879283 is a deficient number, since it is larger than the sum of its proper divisors (10866877).

64879283 is a wasteful number, since it uses less digits than its factorization.

64879283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826 (or 4819 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 64879283 is about 8054.7677185627. The cubic root of 64879283 is about 401.8235139432.

The spelling of 64879283 in words is "sixty-four million, eight hundred seventy-nine thousand, two hundred eighty-three".