85062779 has 2 divisors, whose sum is σ = 85062780. Its totient is φ = 85062778.

The previous prime is 85062773. The next prime is 85062793. The reversal of 85062779 is 97726058.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85062779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85062773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42531389 + 42531390.

It is an arithmetic number, because the mean of its divisors is an integer number (42531390).

Almost surely, 2^85062779 is an apocalyptic number.

85062779 is a deficient number, since it is larger than the sum of its proper divisors (1).

85062779 is an equidigital number, since it uses as much as digits as its factorization.

85062779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 85062779 is about 9222.9484981756. The cubic root of 85062779 is about 439.7911870753.

The spelling of 85062779 in words is "eighty-five million, sixty-two thousand, seven hundred seventy-nine".