70859279 has 2 divisors, whose sum is σ = 70859280. Its totient is φ = 70859278.

The previous prime is 70859231. The next prime is 70859291. The reversal of 70859279 is 97295807.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70859279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70850279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35429639 + 35429640.

It is an arithmetic number, because the mean of its divisors is an integer number (35429640).

Almost surely, 2^70859279 is an apocalyptic number.

70859279 is a deficient number, since it is larger than the sum of its proper divisors (1).

70859279 is an equidigital number, since it uses as much as digits as its factorization.

70859279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 70859279 is about 8417.7953764629. The cubic root of 70859279 is about 413.8080259251.

The spelling of 70859279 in words is "seventy million, eight hundred fifty-nine thousand, two hundred seventy-nine".