1080879385869 has 80 divisors (see below), whose sum is σ = 1714242816000. Its totient is φ = 677662070400.

The previous prime is 1080879385837. The next prime is 1080879385931. The reversal of 1080879385869 is 9685839780801.

1080879385869 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 8 + 7 + 9 + 38 + 586 + 9 = 666.

It is not a de Polignac number, because 1080879385869 - 2⁵ = 1080879385837 is a prime.

It is a super-2 number, since 2×1080879385869² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1080879385797 and 1080879385806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080879385819) 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 79 ways as a sum of consecutive naturals, for example, 15070644 + ... + 15142194.

It is an arithmetic number, because the mean of its divisors is an integer number (21428035200).

Almost surely, 2^{1080879385869} is an apocalyptic number.

It is an amenable number.

1080879385869 is a deficient number, since it is larger than the sum of its proper divisors (633363430131).

1080879385869 is a wasteful number, since it uses less digits than its factorization.

1080879385869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71760 (or 71751 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 72.

The spelling of 1080879385869 in words is "one trillion, eighty billion, eight hundred seventy-nine million, three hundred eighty-five thousand, eight hundred sixty-nine".