783841081104 has 75 divisors (see below), whose sum is σ = 2268755751493. Its totient is φ = 261269736192.

The previous prime is 783841081099. The next prime is 783841081139. The reversal of 783841081104 is 401180148387.

The square root of 783841081104 is 885348.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 76142883600 + 707698197504 = 275940^2 + 841248^2 .

It is a super-2 number, since 2×783841081104² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 783841081104.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 31860232 + ... + 31884824.

Almost surely, 2^783841081104 is an apocalyptic number.

783841081104 is the 885348-th square number.

It is an amenable number.

783841081104 is an abundant number, since it is smaller than the sum of its proper divisors (1484914670389).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

783841081104 is an frugal number, since it uses more digits than its factorization.

783841081104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49206 (or 24598 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 783841081104 in words is "seven hundred eighty-three billion, eight hundred forty-one million, eighty-one thousand, one hundred four".