9778075013552 has 20 divisors (see below), whose sum is σ = 18945068926080. Its totient is φ = 4889024968128.

The previous prime is 9778075013549. The next prime is 9778075013579. The reversal of 9778075013552 is 2553105708779.

It is a super-2 number, since 2×9778075013552² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9778075013491 and 9778075013500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11242673 + ... + 12081135.

It is an arithmetic number, because the mean of its divisors is an integer number (947253446304).

Almost surely, 2^{9778075013552} is an apocalyptic number.

It is an amenable number.

9778075013552 is a deficient number, since it is larger than the sum of its proper divisors (9166993912528).

9778075013552 is a wasteful number, since it uses less digits than its factorization.

9778075013552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567340 (or 1567334 counting only the distinct ones).

The product of its (nonzero) digits is 18522000, while the sum is 59.

The spelling of 9778075013552 in words is "nine trillion, seven hundred seventy-eight billion, seventy-five million, thirteen thousand, five hundred fifty-two".