86240777 has 16 divisors (see below), whose sum is σ = 103161600. Its totient is φ = 70490112.

The previous prime is 86240771. The next prime is 86240783. The reversal of 86240777 is 77704268.

It is an interprime number because it is at equal distance from previous prime (86240771) and next prime (86240783).

It is not a de Polignac number, because 86240777 - 2⁴ = 86240761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86240771) 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 in 15 ways as a sum of consecutive naturals, for example, 71693 + ... + 72885.

It is an arithmetic number, because the mean of its divisors is an integer number (6447600).

Almost surely, 2^86240777 is an apocalyptic number.

It is an amenable number.

86240777 is a deficient number, since it is larger than the sum of its proper divisors (16920823).

86240777 is a wasteful number, since it uses less digits than its factorization.

86240777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 86240777 is about 9286.5912476000. The cubic root of 86240777 is about 441.8120468525.

The spelling of 86240777 in words is "eighty-six million, two hundred forty thousand, seven hundred seventy-seven".