113885777 has 2 divisors, whose sum is σ = 113885778. Its totient is φ = 113885776.

The previous prime is 113885749. The next prime is 113885797. The reversal of 113885777 is 777588311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62031376 + 51854401 = 7876^2 + 7201^2 .

It is an emirp because it is prime and its reverse (777588311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113885777 - 2⁶ = 113885713 is a prime.

It is not a weakly prime, because it can be changed into another prime (113885797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56942888 + 56942889.

It is an arithmetic number, because the mean of its divisors is an integer number (56942889).

Almost surely, 2^113885777 is an apocalyptic number.

It is an amenable number.

113885777 is a deficient number, since it is larger than the sum of its proper divisors (1).

113885777 is an equidigital number, since it uses as much as digits as its factorization.

113885777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 47.

The square root of 113885777 is about 10671.7279294405. The cubic root of 113885777 is about 484.7187613828.

The spelling of 113885777 in words is "one hundred thirteen million, eight hundred eighty-five thousand, seven hundred seventy-seven".