779789093487616 has 33 divisors (see below), whose sum is σ = 1558818460499079. Its totient is φ = 389894099948544.

The previous prime is 779789093487611. The next prime is 779789093487641. The reversal of 779789093487616 is 616784390987977.

It is a happy number.

The square root of 779789093487616 is 27924704.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (779789093487611) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 893154205 + ... + 894026851.

Almost surely, 2^{779789093487616} is an apocalyptic number.

779789093487616 is the 27924704-th square number.

It is an amenable number.

779789093487616 is a deficient number, since it is larger than the sum of its proper divisors (779029367011463).

779789093487616 is an frugal number, since it uses more digits than its factorization.

779789093487616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745314 (or 872649 counting only the distinct ones).

The product of its (nonzero) digits is 48393096192, while the sum is 91.

The spelling of 779789093487616 in words is "seven hundred seventy-nine trillion, seven hundred eighty-nine billion, ninety-three million, four hundred eighty-seven thousand, six hundred sixteen".