28080702 has 96 divisors (see below), whose sum is σ = 71940960. Its totient is φ = 8087040.

The previous prime is 28080697. The next prime is 28080707. The reversal of 28080702 is 20708082.

It is an interprime number because it is at equal distance from previous prime (28080697) and next prime (28080707).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 155052 + ... + 155232.

It is an arithmetic number, because the mean of its divisors is an integer number (749385).

Almost surely, 2^28080702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28080702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35970480).

28080702 is an abundant number, since it is smaller than the sum of its proper divisors (43860258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28080702 is a wasteful number, since it uses less digits than its factorization.

28080702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 28080702 is about 5299.1227575892. The cubic root of 28080702 is about 303.9503540235.

Adding to 28080702 its reverse (20708082), we get a palindrome (48788784).

It can be divided in two parts, 28080 and 702, that added together give a palindrome (28782).

The spelling of 28080702 in words is "twenty-eight million, eighty thousand, seven hundred two".