773993677160448 has 640 divisors, whose sum is σ = 2414334062131200. Its totient is φ = 246636927516672.

The previous prime is 773993677160447. The next prime is 773993677160453. The reversal of 773993677160448 is 844061776399377.

773993677160448 is a `hidden beast` number, since 7 + 7 + 3 + 9 + 9 + 3 + 6 + 7 + 7 + 160 + 448 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773993677160447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 165986203365 + ... + 165986208027.

It is an arithmetic number, because the mean of its divisors is an integer number (3772396972080).

Almost surely, 2^{773993677160448} 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 773993677160448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207167031065600).

773993677160448 is an abundant number, since it is smaller than the sum of its proper divisors (1640340384970752).

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

773993677160448 is an equidigital number, since it uses as much as digits as its factorization.

773993677160448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447 (or 7410 counting only the distinct ones).

The product of its (nonzero) digits is 8065516032, while the sum is 81.

The spelling of 773993677160448 in words is "seven hundred seventy-three trillion, nine hundred ninety-three billion, six hundred seventy-seven million, one hundred sixty thousand, four hundred forty-eight".