8085038779 has 2 divisors, whose sum is σ = 8085038780. Its totient is φ = 8085038778.

The previous prime is 8085038737. The next prime is 8085038803. The reversal of 8085038779 is 9778305808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8085038779 - 2²¹ = 8082941627 is a prime.

It is not a weakly prime, because it can be changed into another prime (8085038719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4042519389 + 4042519390.

It is an arithmetic number, because the mean of its divisors is an integer number (4042519390).

Almost surely, 2^8085038779 is an apocalyptic number.

8085038779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8085038779 is an equidigital number, since it uses as much as digits as its factorization.

8085038779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The square root of 8085038779 is about 89916.8436890442. The cubic root of 8085038779 is about 2007.0616024574.

The spelling of 8085038779 in words is "eight billion, eighty-five million, thirty-eight thousand, seven hundred seventy-nine".