1147683885 has 16 divisors (see below), whose sum is σ = 1932941760. Its totient is φ = 579882240.

The previous prime is 1147683863. The next prime is 1147683893. The reversal of 1147683885 is 5883867411.

It is a happy number.

It is not a de Polignac number, because 1147683885 - 2¹² = 1147679789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2013196 + ... + 2013765.

It is an arithmetic number, because the mean of its divisors is an integer number (120808860).

Almost surely, 2^1147683885 is an apocalyptic number.

1147683885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1147683885 is a deficient number, since it is larger than the sum of its proper divisors (785257875).

1147683885 is a wasteful number, since it uses less digits than its factorization.

1147683885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026988.

The product of its digits is 1290240, while the sum is 51.

The square root of 1147683885 is about 33877.4834514018. The cubic root of 1147683885 is about 1046.9857269797.

The spelling of 1147683885 in words is "one billion, one hundred forty-seven million, six hundred eighty-three thousand, eight hundred eighty-five".