28967393306 has 8 divisors (see below), whose sum is σ = 43462160820. Its totient is φ = 14480006368.

The previous prime is 28967393291. The next prime is 28967393341. The reversal of 28967393306 is 60339376982.

It can be written as a sum of positive squares in 2 ways, for example, as 27046762681 + 1920630625 = 164459^2 + 43825^2 .

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

It is an unprimeable number.

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, 1835321 + ... + 1851036.

Almost surely, 2^28967393306 is an apocalyptic number.

28967393306 is a deficient number, since it is larger than the sum of its proper divisors (14494767514).

28967393306 is a wasteful number, since it uses less digits than its factorization.

28967393306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690288.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 28967393306 in words is "twenty-eight billion, nine hundred sixty-seven million, three hundred ninety-three thousand, three hundred six".