100426477 has 2 divisors, whose sum is σ = 100426478. Its totient is φ = 100426476.

The previous prime is 100426471. The next prime is 100426481. The reversal of 100426477 is 774624001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57471561 + 42954916 = 7581^2 + 6554^2 .

It is a cyclic number.

It is not a de Polignac number, because 100426477 - 2¹⁹ = 99902189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100426471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50213238 + 50213239.

It is an arithmetic number, because the mean of its divisors is an integer number (50213239).

Almost surely, 2^100426477 is an apocalyptic number.

It is an amenable number.

100426477 is a deficient number, since it is larger than the sum of its proper divisors (1).

100426477 is an equidigital number, since it uses as much as digits as its factorization.

100426477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 100426477 is about 10021.3011630227. The cubic root of 100426477 is about 464.8177911774.

The spelling of 100426477 in words is "one hundred million, four hundred twenty-six thousand, four hundred seventy-seven".