116778709441 has 3 divisors (see below), whose sum is σ = 116779051171. Its totient is φ = 116778367712.

The previous prime is 116778709387. The next prime is 116778709451. The reversal of 116778709441 is 144907877611.

The square root of 116778709441 is 341729.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 109608007041 + 7170702400 = 331071^2 + 84680^2 .

It is not a de Polignac number, because 116778709441 - 2⁹ = 116778708929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116778709451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 170865 + ... + 512593.

Almost surely, 2^116778709441 is an apocalyptic number.

116778709441 is the 341729-th square number.

116778709441 is the 170865-th centered octagonal number.

It is an amenable number.

116778709441 is a deficient number, since it is larger than the sum of its proper divisors (341730).

116778709441 is an frugal number, since it uses more digits than its factorization.

116778709441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683458 (or 341729 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 116778709441 in words is "one hundred sixteen billion, seven hundred seventy-eight million, seven hundred nine thousand, four hundred forty-one".