1078670565 has 72 divisors (see below), whose sum is σ = 2289512160. Its totient is φ = 467135424.

The previous prime is 1078670543. The next prime is 1078670569. The reversal of 1078670565 is 5650768701.

1078670565 is a `hidden beast` number, since 1 + 0 + 7 + 86 + 7 + 0 + 565 = 666.

It is not a de Polignac number, because 1078670565 - 2¹¹ = 1078668517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1078670565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078670569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29022 + ... + 54768.

It is an arithmetic number, because the mean of its divisors is an integer number (31798780).

Almost surely, 2^1078670565 is an apocalyptic number.

1078670565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1078670565 is an abundant number, since it is smaller than the sum of its proper divisors (1210841595).

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

1078670565 is a wasteful number, since it uses less digits than its factorization.

1078670565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25791 (or 25781 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 1078670565 is about 32843.1205125213. The cubic root of 1078670565 is about 1025.5644133225.

The spelling of 1078670565 in words is "one billion, seventy-eight million, six hundred seventy thousand, five hundred sixty-five".