1078217386356 has 96 divisors (see below), whose sum is σ = 2752036632576. Its totient is φ = 325842400000.

The previous prime is 1078217386339. The next prime is 1078217386381. The reversal of 1078217386356 is 6536837128701.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1078217386296 and 1078217386305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226942981 + ... + 226947731.

It is an arithmetic number, because the mean of its divisors is an integer number (28667048256).

Almost surely, 2^{1078217386356} is an apocalyptic number.

It is an amenable number.

1078217386356 is an abundant number, since it is smaller than the sum of its proper divisors (1673819246220).

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

1078217386356 is a wasteful number, since it uses less digits than its factorization.

1078217386356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093 (or 9091 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 1078217386356 in words is "one trillion, seventy-eight billion, two hundred seventeen million, three hundred eighty-six thousand, three hundred fifty-six".