28078603743 has 8 divisors (see below), whose sum is σ = 37439157888. Its totient is φ = 18718559384.

The previous prime is 28078603739. The next prime is 28078603789. The reversal of 28078603743 is 34730687082.

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 28078603743 - 2² = 28078603739 is a prime.

It is a super-2 number, since 2×28078603743² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28078603692 and 28078603701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28078603703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28246 + ... + 238652.

It is an arithmetic number, because the mean of its divisors is an integer number (4679894736).

Almost surely, 2^28078603743 is an apocalyptic number.

28078603743 is a deficient number, since it is larger than the sum of its proper divisors (9360554145).

28078603743 is a wasteful number, since it uses less digits than its factorization.

28078603743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254893.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 28078603743 in words is "twenty-eight billion, seventy-eight million, six hundred three thousand, seven hundred forty-three".