1079861814 has 16 divisors (see below), whose sum is σ = 2399693040. Its totient is φ = 359953920.

The previous prime is 1079861779. The next prime is 1079861821. The reversal of 1079861814 is 4181689701.

It is a happy number.

1079861814 is a `hidden beast` number, since 10 + 7 + 9 + 8 + 618 + 14 = 666.

It is a super-2 number, since 2×1079861814² = 2332203074670741192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1079861814.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9998667 + ... + 9998774.

It is an arithmetic number, because the mean of its divisors is an integer number (149980815).

Almost surely, 2^1079861814 is an apocalyptic number.

1079861814 is an abundant number, since it is smaller than the sum of its proper divisors (1319831226).

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

1079861814 is a wasteful number, since it uses less digits than its factorization.

1079861814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19997452 (or 19997446 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 1079861814 is about 32861.2509500171. The cubic root of 1079861814 is about 1025.9418078551.

The spelling of 1079861814 in words is "one billion, seventy-nine million, eight hundred sixty-one thousand, eight hundred fourteen".