1020009960077 has 2 divisors, whose sum is σ = 1020009960078. Its totient is φ = 1020009960076.

The previous prime is 1020009960061. The next prime is 1020009960121. The reversal of 1020009960077 is 7700699000201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019673824521 + 336135556 = 1009789^2 + 18334^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020009960077 - 2⁴ = 1020009960061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020009960677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510004980038 + 510004980039.

It is an arithmetic number, because the mean of its divisors is an integer number (510004980039).

Almost surely, 2^{1020009960077} is an apocalyptic number.

It is an amenable number.

1020009960077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020009960077 is an equidigital number, since it uses as much as digits as its factorization.

1020009960077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The spelling of 1020009960077 in words is "one trillion, twenty billion, nine million, nine hundred sixty thousand, seventy-seven".