1086980879 has 4 divisors (see below), whose sum is σ = 1094915184. Its totient is φ = 1079046576.

The previous prime is 1086980837. The next prime is 1086980893. The reversal of 1086980879 is 9780896801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1086980879 is a prime.

It is a super-2 number, since 2×1086980879² = 2363054862623225282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086982879) 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 3 ways as a sum of consecutive naturals, for example, 3966947 + ... + 3967220.

It is an arithmetic number, because the mean of its divisors is an integer number (273728796).

Almost surely, 2^1086980879 is an apocalyptic number.

1086980879 is a deficient number, since it is larger than the sum of its proper divisors (7934305).

1086980879 is an equidigital number, since it uses as much as digits as its factorization.

1086980879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934304.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 1086980879 is about 32969.3930638706. The cubic root of 1086980879 is about 1028.1914027246.

The spelling of 1086980879 in words is "one billion, eighty-six million, nine hundred eighty thousand, eight hundred seventy-nine".