66877246 has 8 divisors (see below), whose sum is σ = 100370160. Its totient is φ = 33420528.

The previous prime is 66877183. The next prime is 66877249. The reversal of 66877246 is 64277866.

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

It is a junction number, because it is equal to n+sod(n) for n = 66877196 and 66877205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66877249) 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 3 ways as a sum of consecutive naturals, for example, 3826 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (12546270).

Almost surely, 2^66877246 is an apocalyptic number.

66877246 is a deficient number, since it is larger than the sum of its proper divisors (33492914).

66877246 is a wasteful number, since it uses less digits than its factorization.

66877246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18098.

The product of its digits is 677376, while the sum is 46.

The square root of 66877246 is about 8177.8509401921. The cubic root of 66877246 is about 405.9066129941.

The spelling of 66877246 in words is "sixty-six million, eight hundred seventy-seven thousand, two hundred forty-six".