86799393 has 6 divisors (see below), whose sum is σ = 125376914. Its totient is φ = 57866256.

The previous prime is 86799389. The next prime is 86799431. The reversal of 86799393 is 39399768.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 23882769 = 7932^2 + 4887^2 .

It is not a de Polignac number, because 86799393 - 2² = 86799389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86799343) 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 in 5 ways as a sum of consecutive naturals, for example, 4822180 + ... + 4822197.

Almost surely, 2^86799393 is an apocalyptic number.

It is an amenable number.

86799393 is a deficient number, since it is larger than the sum of its proper divisors (38577521).

86799393 is a wasteful number, since it uses less digits than its factorization.

86799393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644383 (or 9644380 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 86799393 is about 9316.6191829440. The cubic root of 86799393 is about 442.7639256702.

The spelling of 86799393 in words is "eighty-six million, seven hundred ninety-nine thousand, three hundred ninety-three".