113780477 has 2 divisors, whose sum is σ = 113780478. Its totient is φ = 113780476.

The previous prime is 113780449. The next prime is 113780479. The reversal of 113780477 is 774087311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60621796 + 53158681 = 7786^2 + 7291^2 .

It is an emirp because it is prime and its reverse (774087311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113780477 - 2⁸ = 113780221 is a prime.

Together with 113780479, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113780477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113780479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56890238 + 56890239.

It is an arithmetic number, because the mean of its divisors is an integer number (56890239).

Almost surely, 2^113780477 is an apocalyptic number.

It is an amenable number.

113780477 is a deficient number, since it is larger than the sum of its proper divisors (1).

113780477 is an equidigital number, since it uses as much as digits as its factorization.

113780477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 113780477 is about 10666.7931919579. The cubic root of 113780477 is about 484.5693232762.

The spelling of 113780477 in words is "one hundred thirteen million, seven hundred eighty thousand, four hundred seventy-seven".