86070773 has 2 divisors, whose sum is σ = 86070774. Its totient is φ = 86070772.

The previous prime is 86070739. The next prime is 86070797. The reversal of 86070773 is 37707068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50154724 + 35916049 = 7082^2 + 5993^2 .

It is a cyclic number.

It is not a de Polignac number, because 86070773 - 2⁶ = 86070709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86072773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035386 + 43035387.

It is an arithmetic number, because the mean of its divisors is an integer number (43035387).

Almost surely, 2^86070773 is an apocalyptic number.

It is an amenable number.

86070773 is a deficient number, since it is larger than the sum of its proper divisors (1).

86070773 is an equidigital number, since it uses as much as digits as its factorization.

86070773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 86070773 is about 9277.4335351971. The cubic root of 86070773 is about 441.5215453600.

The spelling of 86070773 in words is "eighty-six million, seventy thousand, seven hundred seventy-three".