105769231828 has 12 divisors (see below), whose sum is σ = 199334321620. Its totient is φ = 48816568512.

The previous prime is 105769231783. The next prime is 105769231837. The reversal of 105769231828 is 828132967501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72971297424 + 32797934404 = 270132^2 + 181102^2 .

It is a super-2 number, since 2×105769231828² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 2034023689 = 105769231828 / (1 + 0 + 5 + 7 + 6 + 9 + 2 + 3 + 1 + 8 + 2 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017011793 + ... + 1017011896.

Almost surely, 2^105769231828 is an apocalyptic number.

It is an amenable number.

105769231828 is a deficient number, since it is larger than the sum of its proper divisors (93565089792).

105769231828 is a wasteful number, since it uses less digits than its factorization.

105769231828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034023706 (or 2034023704 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 105769231828 in words is "one hundred five billion, seven hundred sixty-nine million, two hundred thirty-one thousand, eight hundred twenty-eight".