28078299753 has 8 divisors (see below), whose sum is σ = 42785980608. Its totient is φ = 16044742704.

The previous prime is 28078299749. The next prime is 28078299791. The reversal of 28078299753 is 35799287082.

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

It is not a de Polignac number, because 28078299753 - 2² = 28078299749 is a prime.

It is a super-2 number, since 2×28078299753² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28078299793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668530926 + ... + 668530967.

It is an arithmetic number, because the mean of its divisors is an integer number (5348247576).

Almost surely, 2^28078299753 is an apocalyptic number.

It is an amenable number.

28078299753 is a deficient number, since it is larger than the sum of its proper divisors (14707680855).

28078299753 is a wasteful number, since it uses less digits than its factorization.

28078299753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337061903.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 28078299753 in words is "twenty-eight billion, seventy-eight million, two hundred ninety-nine thousand, seven hundred fifty-three".