66876313 has 8 divisors (see below), whose sum is σ = 77683520. Its totient is φ = 56382480.

The previous prime is 66876311. The next prime is 66876343. The reversal of 66876313 is 31367866.

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

It is not a de Polignac number, because 66876313 - 2¹ = 66876311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66876311) 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 in 7 ways as a sum of consecutive naturals, for example, 77883 + ... + 78736.

It is an arithmetic number, because the mean of its divisors is an integer number (9710440).

Almost surely, 2^66876313 is an apocalyptic number.

It is an amenable number.

66876313 is a deficient number, since it is larger than the sum of its proper divisors (10807207).

66876313 is a wasteful number, since it uses less digits than its factorization.

66876313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156687.

The product of its digits is 108864, while the sum is 40.

The square root of 66876313 is about 8177.7938956665. The cubic root of 66876313 is about 405.9047253933.

The spelling of 66876313 in words is "sixty-six million, eight hundred seventy-six thousand, three hundred thirteen".