100372782866677 has 2 divisors, whose sum is σ = 100372782866678. Its totient is φ = 100372782866676.

The previous prime is 100372782866669. The next prime is 100372782866747. The reversal of 100372782866677 is 776668287273001.

It is an a-pointer prime, because the next prime (100372782866747) can be obtained adding 100372782866677 to its sum of digits (70).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89629655682436 + 10743127184241 = 9467294^2 + 3277671^2 .

It is a cyclic number.

It is not a de Polignac number, because 100372782866677 - 2³ = 100372782866669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100372782806677) 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, 50186391433338 + 50186391433339.

It is an arithmetic number, because the mean of its divisors is an integer number (50186391433339).

Almost surely, 2^{100372782866677} is an apocalyptic number.

It is an amenable number.

100372782866677 is a deficient number, since it is larger than the sum of its proper divisors (1).

100372782866677 is an equidigital number, since it uses as much as digits as its factorization.

100372782866677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 398297088, while the sum is 70.

The spelling of 100372782866677 in words is "one hundred trillion, three hundred seventy-two billion, seven hundred eighty-two million, eight hundred sixty-six thousand, six hundred seventy-seven".