1020828679 has 16 divisors (see below), whose sum is σ = 1129595040. Its totient is φ = 916715520.

The previous prime is 1020828647. The next prime is 1020828691. The reversal of 1020828679 is 9768280201.

1020828679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1020828679 - 2⁵ = 1020828647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020822679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67539 + ... + 81259.

It is an arithmetic number, because the mean of its divisors is an integer number (70599690).

Almost surely, 2^1020828679 is an apocalyptic number.

1020828679 is a deficient number, since it is larger than the sum of its proper divisors (108766361).

1020828679 is a wasteful number, since it uses less digits than its factorization.

1020828679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1020828679 is about 31950.4096843843. The cubic root of 1020828679 is about 1006.8952393972.

The spelling of 1020828679 in words is "one billion, twenty million, eight hundred twenty-eight thousand, six hundred seventy-nine".