86071877 has 2 divisors, whose sum is σ = 86071878. Its totient is φ = 86071876.

The previous prime is 86071871. The next prime is 86071889. The reversal of 86071877 is 77817068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76143076 + 9928801 = 8726^2 + 3151^2 .

It is a cyclic number.

It is not a de Polignac number, because 86071877 - 2⁸ = 86071621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86071871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035938 + 43035939.

It is an arithmetic number, because the mean of its divisors is an integer number (43035939).

Almost surely, 2^86071877 is an apocalyptic number.

It is an amenable number.

86071877 is a deficient number, since it is larger than the sum of its proper divisors (1).

86071877 is an equidigital number, since it uses as much as digits as its factorization.

86071877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 86071877 is about 9277.4930342200. The cubic root of 86071877 is about 441.5234330999.

The spelling of 86071877 in words is "eighty-six million, seventy-one thousand, eight hundred seventy-seven".