8070778279 has 2 divisors, whose sum is σ = 8070778280. Its totient is φ = 8070778278.

The previous prime is 8070778241. The next prime is 8070778307. The reversal of 8070778279 is 9728770708.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8070778279 - 2¹⁵ = 8070745511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8070776279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4035389139 + 4035389140.

It is an arithmetic number, because the mean of its divisors is an integer number (4035389140).

Almost surely, 2^8070778279 is an apocalyptic number.

8070778279 is a deficient number, since it is larger than the sum of its proper divisors (1).

8070778279 is an equidigital number, since it uses as much as digits as its factorization.

8070778279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2765952, while the sum is 55.

The square root of 8070778279 is about 89837.5104229853. The cubic root of 8070778279 is about 2005.8808805893.

The spelling of 8070778279 in words is "eight billion, seventy million, seven hundred seventy-eight thousand, two hundred seventy-nine".