113687771 has 2 divisors, whose sum is σ = 113687772. Its totient is φ = 113687770.

The previous prime is 113687767. The next prime is 113687837. The reversal of 113687771 is 177786311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113687771 - 2² = 113687767 is a prime.

It is not a weakly prime, because it can be changed into another prime (113687701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56843885 + 56843886.

It is an arithmetic number, because the mean of its divisors is an integer number (56843886).

Almost surely, 2^113687771 is an apocalyptic number.

113687771 is a deficient number, since it is larger than the sum of its proper divisors (1).

113687771 is an equidigital number, since it uses as much as digits as its factorization.

113687771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 41.

The square root of 113687771 is about 10662.4467642282. The cubic root of 113687771 is about 484.4376818000.

The spelling of 113687771 in words is "one hundred thirteen million, six hundred eighty-seven thousand, seven hundred seventy-one".