1079509805 has 8 divisors (see below), whose sum is σ = 1413176544. Its totient is φ = 785098000.

The previous prime is 1079509789. The next prime is 1079509811. The reversal of 1079509805 is 5089059701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1079509805 - 2⁴ = 1079509789 is a prime.

It is a super-2 number, since 2×1079509805² = 2330682838182276050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9813671 + ... + 9813780.

It is an arithmetic number, because the mean of its divisors is an integer number (176647068).

Almost surely, 2^1079509805 is an apocalyptic number.

It is an amenable number.

1079509805 is a deficient number, since it is larger than the sum of its proper divisors (333666739).

1079509805 is a wasteful number, since it uses less digits than its factorization.

1079509805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627467.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 1079509805 is about 32855.8945244229. The cubic root of 1079509805 is about 1025.8303182820.

The spelling of 1079509805 in words is "one billion, seventy-nine million, five hundred nine thousand, eight hundred five".