1144786886 has 8 divisors (see below), whose sum is σ = 1736474760. Its totient is φ = 565961968.

The previous prime is 1144786883. The next prime is 1144786891. The reversal of 1144786886 is 6886874411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144786883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215516 + ... + 3215871.

It is an arithmetic number, because the mean of its divisors is an integer number (217059345).

Almost surely, 2^1144786886 is an apocalyptic number.

1144786886 is a deficient number, since it is larger than the sum of its proper divisors (591687874).

1144786886 is an equidigital number, since it uses as much as digits as its factorization.

1144786886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431478.

The product of its digits is 2064384, while the sum is 53.

The square root of 1144786886 is about 33834.6994371163. The cubic root of 1144786886 is about 1046.1040462584.

The spelling of 1144786886 in words is "one billion, one hundred forty-four million, seven hundred eighty-six thousand, eight hundred eighty-six".