28666670333367 has 32 divisors (see below), whose sum is σ = 41932272695040. Its totient is φ = 17275721472000.

The previous prime is 28666670333317. The next prime is 28666670333393. The reversal of 28666670333367 is 76333307666682.

It is not a de Polignac number, because 28666670333367 - 2⁸ = 28666670333111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28666670333298 and 28666670333307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28666670333317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51334984 + ... + 51890402.

It is an arithmetic number, because the mean of its divisors is an integer number (1310383521720).

Almost surely, 2^{28666670333367} is an apocalyptic number.

28666670333367 is a deficient number, since it is larger than the sum of its proper divisors (13265602361673).

28666670333367 is a wasteful number, since it uses less digits than its factorization.

28666670333367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564255.

The product of its (nonzero) digits is 493807104, while the sum is 66.

The spelling of 28666670333367 in words is "twenty-eight trillion, six hundred sixty-six billion, six hundred seventy million, three hundred thirty-three thousand, three hundred sixty-seven".