773426928828416 has 30 divisors (see below), whose sum is σ = 1546806651456150. Its totient is φ = 386713464406016.

The previous prime is 773426928828383. The next prime is 773426928828419. The reversal of 773426928828416 is 614828829624377.

It can be written as a sum of positive squares in only one way, i.e., 561500416000000 + 211926512828416 = 23696000^2 + 14557696^2 .

It is a super-3 number, since 3×773426928828416³ (a number of 46 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (773426928828419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23603100341 + ... + 23603133108.

It is an arithmetic number, because the mean of its divisors is an integer number (51560221715205).

Almost surely, 2^{773426928828416} is an apocalyptic number.

It is an amenable number.

773426928828416 is a deficient number, since it is larger than the sum of its proper divisors (773379722627734).

773426928828416 is an frugal number, since it uses more digits than its factorization.

773426928828416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47206233477 (or 47206233451 counting only the distinct ones).

The product of its digits is 3121348608, while the sum is 77.

The spelling of 773426928828416 in words is "seven hundred seventy-three trillion, four hundred twenty-six billion, nine hundred twenty-eight million, eight hundred twenty-eight thousand, four hundred sixteen".