113891783 has 2 divisors, whose sum is σ = 113891784. Its totient is φ = 113891782.

The previous prime is 113891779. The next prime is 113891797. The reversal of 113891783 is 387198311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113891783 - 2² = 113891779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113891783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113891773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56945891 + 56945892.

It is an arithmetic number, because the mean of its divisors is an integer number (56945892).

Almost surely, 2^113891783 is an apocalyptic number.

113891783 is a deficient number, since it is larger than the sum of its proper divisors (1).

113891783 is an equidigital number, since it uses as much as digits as its factorization.

113891783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 41.

The square root of 113891783 is about 10672.0093234592. The cubic root of 113891783 is about 484.7272821123.

The spelling of 113891783 in words is "one hundred thirteen million, eight hundred ninety-one thousand, seven hundred eighty-three".