28445682758 has 16 divisors (see below), whose sum is σ = 44004618240. Its totient is φ = 13782685896.

The previous prime is 28445682737. The next prime is 28445682767. The reversal of 28445682758 is 85728654482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28445682697 and 28445682706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291298 + ... + 1313141.

It is an arithmetic number, because the mean of its divisors is an integer number (2750288640).

Almost surely, 2^28445682758 is an apocalyptic number.

28445682758 is a deficient number, since it is larger than the sum of its proper divisors (15558935482).

28445682758 is a wasteful number, since it uses less digits than its factorization.

28445682758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604611.

The product of its digits is 34406400, while the sum is 59.

The spelling of 28445682758 in words is "twenty-eight billion, four hundred forty-five million, six hundred eighty-two thousand, seven hundred fifty-eight".