8077728216260 has 24 divisors (see below), whose sum is σ = 17700760961856. Its totient is φ = 3090609056480.

The previous prime is 8077728216203. The next prime is 8077728216277. The reversal of 8077728216260 is 626128277708.

It is a super-2 number, since 2×8077728216260² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8077728216196 and 8077728216205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8780138906 + ... + 8780139825.

It is an arithmetic number, because the mean of its divisors is an integer number (737531706744).

Almost surely, 2^{8077728216260} is an apocalyptic number.

It is an amenable number.

8077728216260 is an abundant number, since it is smaller than the sum of its proper divisors (9623032745596).

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

8077728216260 is a wasteful number, since it uses less digits than its factorization.

8077728216260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560278763 (or 17560278761 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 8077728216260 in words is "eight trillion, seventy-seven billion, seven hundred twenty-eight million, two hundred sixteen thousand, two hundred sixty".