1078580605 has 4 divisors (see below), whose sum is σ = 1294296732. Its totient is φ = 862864480.

The previous prime is 1078580579. The next prime is 1078580627. The reversal of 1078580605 is 5060858701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5060858701 = 29 ⋅174512369.

It can be written as a sum of positive squares in 2 ways, for example, as 186841561 + 891739044 = 13669^2 + 29862^2 .

It is not a de Polignac number, because 1078580605 - 2¹³ = 1078572413 is a prime.

It is a super-3 number, since 3×1078580605³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107858056 + ... + 107858065.

It is an arithmetic number, because the mean of its divisors is an integer number (323574183).

Almost surely, 2^1078580605 is an apocalyptic number.

It is an amenable number.

1078580605 is a deficient number, since it is larger than the sum of its proper divisors (215716127).

1078580605 is an equidigital number, since it uses as much as digits as its factorization.

1078580605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215716126.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 1078580605 is about 32841.7509429689. The cubic root of 1078580605 is about 1025.5359021958.

The spelling of 1078580605 in words is "one billion, seventy-eight million, five hundred eighty thousand, six hundred five".