8100100079 has 2 divisors, whose sum is σ = 8100100080. Its totient is φ = 8100100078.

The previous prime is 8100100009. The next prime is 8100100087. The reversal of 8100100079 is 9700010018.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8100100079 is a prime.

It is a super-2 number, since 2×8100100079² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8100100009) 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, 4050050039 + 4050050040.

It is an arithmetic number, because the mean of its divisors is an integer number (4050050040).

Almost surely, 2^8100100079 is an apocalyptic number.

8100100079 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100100079 is an equidigital number, since it uses as much as digits as its factorization.

8100100079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 8100100079 is about 90000.5559927271. Note that the first 3 decimals coincide. The cubic root of 8100100079 is about 2008.3071213458.

The spelling of 8100100079 in words is "eight billion, one hundred million, one hundred thousand, seventy-nine".