1079991936 has 96 divisors (see below), whose sum is σ = 3147393600. Its totient is φ = 355410432.

The previous prime is 1079991931. The next prime is 1079991943. The reversal of 1079991936 is 6391999701.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1079991931) 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 11 ways as a sum of consecutive naturals, for example, 85075 + ... + 96941.

It is an arithmetic number, because the mean of its divisors is an integer number (32785350).

Almost surely, 2^1079991936 is an apocalyptic number.

1079991936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1079991936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573696800).

1079991936 is an abundant number, since it is smaller than the sum of its proper divisors (2067401664).

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

1079991936 is a wasteful number, since it uses less digits than its factorization.

1079991936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966 (or 11951 counting only the distinct ones).

The product of its (nonzero) digits is 826686, while the sum is 54.

The square root of 1079991936 is about 32863.2307602281. The cubic root of 1079991936 is about 1025.9830144356.

The spelling of 1079991936 in words is "one billion, seventy-nine million, nine hundred ninety-one thousand, nine hundred thirty-six".