102828220477 has 2 divisors, whose sum is σ = 102828220478. Its totient is φ = 102828220476.

The previous prime is 102828220471. The next prime is 102828220487. The reversal of 102828220477 is 774022828201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74038954201 + 28789266276 = 272101^2 + 169674^2 .

It is a cyclic number.

It is not a de Polignac number, because 102828220477 - 2²³ = 102819831869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102828220471) 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, 51414110238 + 51414110239.

It is an arithmetic number, because the mean of its divisors is an integer number (51414110239).

Almost surely, 2^102828220477 is an apocalyptic number.

It is an amenable number.

102828220477 is a deficient number, since it is larger than the sum of its proper divisors (1).

102828220477 is an equidigital number, since it uses as much as digits as its factorization.

102828220477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 43.

The spelling of 102828220477 in words is "one hundred two billion, eight hundred twenty-eight million, two hundred twenty thousand, four hundred seventy-seven".