28080701 has 8 divisors (see below), whose sum is σ = 30681504. Its totient is φ = 25487920.

The previous prime is 28080697. The next prime is 28080707. The reversal of 28080701 is 10708082.

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 28080701 - 2² = 28080697 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 (28080707) 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, 7166 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (3835188).

Almost surely, 2^28080701 is an apocalyptic number.

It is an amenable number.

28080701 is a deficient number, since it is larger than the sum of its proper divisors (2600803).

28080701 is a wasteful number, since it uses less digits than its factorization.

28080701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 28080701 is about 5299.1226632340. The cubic root of 28080701 is about 303.9503504154.

Adding to 28080701 its reverse (10708082), we get a palindrome (38788783).

The spelling of 28080701 in words is "twenty-eight million, eighty thousand, seven hundred one".