10226578477 has 2 divisors, whose sum is σ = 10226578478. Its totient is φ = 10226578476.

The previous prime is 10226578459. The next prime is 10226578511. The reversal of 10226578477 is 77487562201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8957865316 + 1268713161 = 94646^2 + 35619^2 .

It is a cyclic number.

It is not a de Polignac number, because 10226578477 - 2¹¹ = 10226576429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10226578477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10226578577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5113289238 + 5113289239.

It is an arithmetic number, because the mean of its divisors is an integer number (5113289239).

Almost surely, 2^10226578477 is an apocalyptic number.

It is an amenable number.

10226578477 is a deficient number, since it is larger than the sum of its proper divisors (1).

10226578477 is an equidigital number, since it uses as much as digits as its factorization.

10226578477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 10226578477 in words is "ten billion, two hundred twenty-six million, five hundred seventy-eight thousand, four hundred seventy-seven".