1056717378 has 24 divisors (see below), whose sum is σ = 2291098368. Its totient is φ = 352001592.

The previous prime is 1056717307. The next prime is 1056717397. The reversal of 1056717378 is 8737176501.

1056717378 is a `hidden beast` number, since 1 + 0 + 567 + 17 + 3 + 78 = 666.

It is a super-2 number, since 2×1056717378² = 2233303233934389768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8751 + ... + 46797.

It is an arithmetic number, because the mean of its divisors is an integer number (95462432).

Almost surely, 2^1056717378 is an apocalyptic number.

1056717378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1056717378 is an abundant number, since it is smaller than the sum of its proper divisors (1234380990).

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

1056717378 is a wasteful number, since it uses less digits than its factorization.

1056717378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39598 (or 39595 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 1056717378 is about 32507.1896355252. The cubic root of 1056717378 is about 1018.5592172481.

The spelling of 1056717378 in words is "one billion, fifty-six million, seven hundred seventeen thousand, three hundred seventy-eight".