8179879093 has 2 divisors, whose sum is σ = 8179879094. Its totient is φ = 8179879092.

The previous prime is 8179879061. The next prime is 8179879117. The reversal of 8179879093 is 3909789718.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7641731889 + 538147204 = 87417^2 + 23198^2 .

It is a cyclic number.

It is not a de Polignac number, because 8179879093 - 2⁵ = 8179879061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8179879193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4089939546 + 4089939547.

It is an arithmetic number, because the mean of its divisors is an integer number (4089939547).

Almost surely, 2^8179879093 is an apocalyptic number.

It is an amenable number.

8179879093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8179879093 is an equidigital number, since it uses as much as digits as its factorization.

8179879093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 61.

The square root of 8179879093 is about 90442.6840214287. The cubic root of 8179879093 is about 2014.8789582216.

The spelling of 8179879093 in words is "eight billion, one hundred seventy-nine million, eight hundred seventy-nine thousand, ninety-three".