28912933622 has 8 divisors (see below), whose sum is σ = 43384348656. Its totient is φ = 14451484072.

The previous prime is 28912933589. The next prime is 28912933661. The reversal of 28912933622 is 22633921982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2484113 + ... + 2495724.

It is an arithmetic number, because the mean of its divisors is an integer number (5423043582).

Almost surely, 2^28912933622 is an apocalyptic number.

28912933622 is a deficient number, since it is larger than the sum of its proper divisors (14471415034).

28912933622 is a wasteful number, since it uses less digits than its factorization.

28912933622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982742.

The product of its digits is 559872, while the sum is 47.

The spelling of 28912933622 in words is "twenty-eight billion, nine hundred twelve million, nine hundred thirty-three thousand, six hundred twenty-two".