28618323007 has 8 divisors (see below), whose sum is σ = 28689120000. Its totient is φ = 28547562624.

The previous prime is 28618322977. The next prime is 28618323023. The reversal of 28618323007 is 70032381682.

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

It is a cyclic number.

It is not a de Polignac number, because 28618323007 - 2¹¹ = 28618320959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28618323037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186619 + ... + 2199667.

It is an arithmetic number, because the mean of its divisors is an integer number (3586140000).

Almost surely, 2^28618323007 is an apocalyptic number.

28618323007 is a deficient number, since it is larger than the sum of its proper divisors (70796993).

28618323007 is a wasteful number, since it uses less digits than its factorization.

28618323007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 28618323007 in words is "twenty-eight billion, six hundred eighteen million, three hundred twenty-three thousand, seven".