113857647 has 8 divisors (see below), whose sum is σ = 152065200. Its totient is φ = 75777600.

The previous prime is 113857643. The next prime is 113857661. The reversal of 113857647 is 746758311.

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

It is not a de Polignac number, because 113857647 - 2² = 113857643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113857599 and 113857608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113857643) 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, 29772 + ... + 33377.

It is an arithmetic number, because the mean of its divisors is an integer number (19008150).

Almost surely, 2^113857647 is an apocalyptic number.

113857647 is a deficient number, since it is larger than the sum of its proper divisors (38207553).

113857647 is an equidigital number, since it uses as much as digits as its factorization.

113857647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63753.

The product of its digits is 141120, while the sum is 42.

The square root of 113857647 is about 10670.4098796625. The cubic root of 113857647 is about 484.6788492828.

It can be divided in two parts, 1138 and 57647, that added together give a palindrome (58785).

The spelling of 113857647 in words is "one hundred thirteen million, eight hundred fifty-seven thousand, six hundred forty-seven".