115771847 has 2 divisors, whose sum is σ = 115771848. Its totient is φ = 115771846.

The previous prime is 115771829. The next prime is 115771861. The reversal of 115771847 is 748177511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115771847 - 2⁶ = 115771783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115771147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57885923 + 57885924.

It is an arithmetic number, because the mean of its divisors is an integer number (57885924).

Almost surely, 2^115771847 is an apocalyptic number.

115771847 is a deficient number, since it is larger than the sum of its proper divisors (1).

115771847 is an equidigital number, since it uses as much as digits as its factorization.

115771847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54880, while the sum is 41.

The square root of 115771847 is about 10759.7326639652. The cubic root of 115771847 is about 487.3799443134.

The spelling of 115771847 in words is "one hundred fifteen million, seven hundred seventy-one thousand, eight hundred forty-seven".