109400477 has 2 divisors, whose sum is σ = 109400478. Its totient is φ = 109400476.

The previous prime is 109400437. The next prime is 109400497. The reversal of 109400477 is 774004901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91030681 + 18369796 = 9541^2 + 4286^2 .

It is a cyclic number.

It is not a de Polignac number, because 109400477 - 2¹⁶ = 109334941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109400437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54700238 + 54700239.

It is an arithmetic number, because the mean of its divisors is an integer number (54700239).

Almost surely, 2^109400477 is an apocalyptic number.

It is an amenable number.

109400477 is a deficient number, since it is larger than the sum of its proper divisors (1).

109400477 is an equidigital number, since it uses as much as digits as its factorization.

109400477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 109400477 is about 10459.4682943255. The cubic root of 109400477 is about 478.2699248087.

The spelling of 109400477 in words is "one hundred nine million, four hundred thousand, four hundred seventy-seven".