1080086820 has 24 divisors (see below), whose sum is σ = 3024243264. Its totient is φ = 288023136.

The previous prime is 1080086809. The next prime is 1080086827. The reversal of 1080086820 is 286800801.

It is not an unprimeable number, because it can be changed into a prime (1080086827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9000664 + ... + 9000783.

It is an arithmetic number, because the mean of its divisors is an integer number (126010136).

Almost surely, 2^1080086820 is an apocalyptic number.

1080086820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080086820 is an abundant number, since it is smaller than the sum of its proper divisors (1944156444).

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

1080086820 is a wasteful number, since it uses less digits than its factorization.

1080086820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001459 (or 18001457 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1080086820 is about 32864.6743479986. The cubic root of 1080086820 is about 1026.0130598826.

The spelling of 1080086820 in words is "one billion, eighty million, eighty-six thousand, eight hundred twenty".