86253309 has 8 divisors (see below), whose sum is σ = 127782720. Its totient is φ = 57502188.

The previous prime is 86253301. The next prime is 86253341. The reversal of 86253309 is 90335268.

It is not a de Polignac number, because 86253309 - 2³ = 86253301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86253301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597257 + ... + 1597310.

It is an arithmetic number, because the mean of its divisors is an integer number (15972840).

Almost surely, 2^86253309 is an apocalyptic number.

It is an amenable number.

86253309 is a deficient number, since it is larger than the sum of its proper divisors (41529411).

86253309 is a wasteful number, since it uses less digits than its factorization.

86253309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194576 (or 3194570 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 86253309 is about 9287.2659593661. The cubic root of 86253309 is about 441.8334463211.

The spelling of 86253309 in words is "eighty-six million, two hundred fifty-three thousand, three hundred nine".