1059278568 has 64 divisors (see below), whose sum is σ = 2829816000. Its totient is φ = 329260032.

The previous prime is 1059278543. The next prime is 1059278569. The reversal of 1059278568 is 8658729501.

It is a super-2 number, since 2×1059278568² = 2244142169248261248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1059278568.

It is not an unprimeable number, because it can be changed into a prime (1059278569) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32563 + ... + 56381.

It is an arithmetic number, because the mean of its divisors is an integer number (44215875).

Almost surely, 2^1059278568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1059278568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414908000).

1059278568 is an abundant number, since it is smaller than the sum of its proper divisors (1770537432).

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

1059278568 is a wasteful number, since it uses less digits than its factorization.

1059278568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23954 (or 23950 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The square root of 1059278568 is about 32546.5600025563. The cubic root of 1059278568 is about 1019.3814550452.

The spelling of 1059278568 in words is "one billion, fifty-nine million, two hundred seventy-eight thousand, five hundred sixty-eight".