1113147847 has 16 divisors (see below), whose sum is σ = 1311553600. Its totient is φ = 944262144.

The previous prime is 1113147839. The next prime is 1113147853. The reversal of 1113147847 is 7487413111.

It is not a de Polignac number, because 1113147847 - 2³ = 1113147839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113147877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16543 + ... + 49999.

It is an arithmetic number, because the mean of its divisors is an integer number (81972100).

Almost surely, 2^1113147847 is an apocalyptic number.

1113147847 is a deficient number, since it is larger than the sum of its proper divisors (198405753).

1113147847 is an frugal number, since it uses more digits than its factorization.

1113147847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33575 (or 33561 counting only the distinct ones).

The product of its digits is 18816, while the sum is 37.

The square root of 1113147847 is about 33363.8703839947. The cubic root of 1113147847 is about 1036.3766435493.

The spelling of 1113147847 in words is "one billion, one hundred thirteen million, one hundred forty-seven thousand, eight hundred forty-seven".