1053284778 has 48 divisors (see below), whose sum is σ = 2808763776. Its totient is φ = 277788960.

The previous prime is 1053284773. The next prime is 1053284783. The reversal of 1053284778 is 8774823501.

1053284778 is a `hidden beast` number, since 1 + 0 + 532 + 8 + 47 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (1053284773) and next prime (1053284783).

It is a super-2 number, since 2×1053284778² = 2218817647133018568, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1053284773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319878 + ... + 323153.

It is an arithmetic number, because the mean of its divisors is an integer number (58515912).

Almost surely, 2^1053284778 is an apocalyptic number.

1053284778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1053284778 is an abundant number, since it is smaller than the sum of its proper divisors (1755478998).

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

1053284778 is a wasteful number, since it uses less digits than its factorization.

1053284778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643059 (or 643056 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1053284778 is about 32454.3491384437. The cubic root of 1053284778 is about 1017.4551380672.

The spelling of 1053284778 in words is "one billion, fifty-three million, two hundred eighty-four thousand, seven hundred seventy-eight".