115667747 has 16 divisors (see below), whose sum is σ = 130230240. Its totient is φ = 101993472.

The previous prime is 115667737. The next prime is 115667753. The reversal of 115667747 is 747766511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115667747 - 2¹⁶ = 115602211 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115667698 and 115667707.

It is not an unprimeable number, because it can be changed into a prime (115667737) 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, 34988 + ... + 38150.

It is an arithmetic number, because the mean of its divisors is an integer number (8139390).

Almost surely, 2^115667747 is an apocalyptic number.

115667747 is a deficient number, since it is larger than the sum of its proper divisors (14562493).

115667747 is a wasteful number, since it uses less digits than its factorization.

115667747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302.

The product of its digits is 246960, while the sum is 44.

The square root of 115667747 is about 10754.8940952480. The cubic root of 115667747 is about 487.2338193611.

The spelling of 115667747 in words is "one hundred fifteen million, six hundred sixty-seven thousand, seven hundred forty-seven".