1078927559 has 20 divisors (see below), whose sum is σ = 1208335824. Its totient is φ = 960040512.

The previous prime is 1078927547. The next prime is 1078927561. The reversal of 1078927559 is 9557298701.

It is a happy number.

It is not a de Polignac number, because 1078927559 - 2²⁴ = 1062150343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1078927559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078927579) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2215214 + ... + 2215700.

Almost surely, 2^1078927559 is an apocalyptic number.

1078927559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1078927559 is a deficient number, since it is larger than the sum of its proper divisors (129408265).

1078927559 is an frugal number, since it uses more digits than its factorization.

1078927559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 53.

The square root of 1078927559 is about 32847.0327274778. The cubic root of 1078927559 is about 1025.6458539961.

The spelling of 1078927559 in words is "one billion, seventy-eight million, nine hundred twenty-seven thousand, five hundred fifty-nine".