1079713881 has 21 divisors (see below), whose sum is σ = 1620161551. Its totient is φ = 719217792.

The previous prime is 1079713879. The next prime is 1079713889. The reversal of 1079713881 is 1883179701.

It is a happy number.

The square root of 1079713881 is 32859.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 362331225 + 717382656 = 19035^2 + 26784^2 .

It is not a de Polignac number, because 1079713881 - 2¹ = 1079713879 is a prime.

It is a super-2 number, since 2×1079713881² = 2331564129648164322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1079713889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 886585 + ... + 887801.

Almost surely, 2^1079713881 is an apocalyptic number.

1079713881 is the 32859-th square number.

1079713881 is the 16430-th centered octagonal number.

It is an amenable number.

1079713881 is a deficient number, since it is larger than the sum of its proper divisors (540447670).

1079713881 is an frugal number, since it uses more digits than its factorization.

1079713881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 45.

The cubic root of 1079713881 is about 1025.8949569283.

The spelling of 1079713881 in words is "one billion, seventy-nine million, seven hundred thirteen thousand, eight hundred eighty-one".