113781077 has 2 divisors, whose sum is σ = 113781078. Its totient is φ = 113781076.

The previous prime is 113781049. The next prime is 113781137. The reversal of 113781077 is 770187311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96550276 + 17230801 = 9826^2 + 4151^2 .

It is a cyclic number.

It is not a de Polignac number, because 113781077 - 2¹⁰ = 113780053 is a prime.

It is a super-2 number, since 2×113781077² = 25892266966559858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113781037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56890538 + 56890539.

It is an arithmetic number, because the mean of its divisors is an integer number (56890539).

Almost surely, 2^113781077 is an apocalyptic number.

It is an amenable number.

113781077 is a deficient number, since it is larger than the sum of its proper divisors (1).

113781077 is an equidigital number, since it uses as much as digits as its factorization.

113781077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 35.

The square root of 113781077 is about 10666.8213165872. The cubic root of 113781077 is about 484.5701750365.

The spelling of 113781077 in words is "one hundred thirteen million, seven hundred eighty-one thousand, seventy-seven".