1079328991 has 24 divisors (see below), whose sum is σ = 1239920304. Its totient is φ = 933742080.

The previous prime is 1079328979. The next prime is 1079329001. The reversal of 1079328991 is 1998239701.

It is not a de Polignac number, because 1079328991 - 2⁵ = 1079328959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079328911) 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 23 ways as a sum of consecutive naturals, for example, 454036 + ... + 456406.

It is an arithmetic number, because the mean of its divisors is an integer number (51663346).

Almost surely, 2^1079328991 is an apocalyptic number.

1079328991 is a deficient number, since it is larger than the sum of its proper divisors (160591313).

1079328991 is a wasteful number, since it uses less digits than its factorization.

1079328991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 1079328991 is about 32853.1427872586. The cubic root of 1079328991 is about 1025.7730407908.

The spelling of 1079328991 in words is "one billion, seventy-nine million, three hundred twenty-eight thousand, nine hundred ninety-one".