1028338270679 has 4 divisors (see below), whose sum is σ = 1028354187600. Its totient is φ = 1028322353760.

The previous prime is 1028338270651. The next prime is 1028338270723. The reversal of 1028338270679 is 9760728338201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028338270679 - 2⁸ = 1028338270423 is a prime.

It is a super-2 number, since 2×1028338270679² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028338270979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7861154 + ... + 7990895.

It is an arithmetic number, because the mean of its divisors is an integer number (257088546900).

Almost surely, 2^{1028338270679} is an apocalyptic number.

1028338270679 is a deficient number, since it is larger than the sum of its proper divisors (15916921).

1028338270679 is an equidigital number, since it uses as much as digits as its factorization.

1028338270679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15916920.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 1028338270679 in words is "one trillion, twenty-eight billion, three hundred thirty-eight million, two hundred seventy thousand, six hundred seventy-nine".