773980065736416 has 720 divisors, whose sum is σ = 2902104910793088. Its totient is φ = 198033241443840.

The previous prime is 773980065736363. The next prime is 773980065736421. The reversal of 773980065736416 is 614637560089377.

773980065736416 is a `hidden beast` number, since 7 + 7 + 3 + 9 + 8 + 0 + 0 + 6 + 573 + 6 + 41 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 144462495 + ... + 149724321.

Almost surely, 2^{773980065736416} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773980065736416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451052455396544).

773980065736416 is an abundant number, since it is smaller than the sum of its proper divisors (2128124845056672).

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

773980065736416 is a wasteful number, since it uses less digits than its factorization.

773980065736416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261945 (or 5261917 counting only the distinct ones).

The product of its (nonzero) digits is 960180480, while the sum is 72.

The spelling of 773980065736416 in words is "seven hundred seventy-three trillion, nine hundred eighty billion, sixty-five million, seven hundred thirty-six thousand, four hundred sixteen".