86696309 has 4 divisors (see below), whose sum is σ = 99081504. Its totient is φ = 74311116.

The previous prime is 86696273. The next prime is 86696317. The reversal of 86696309 is 90369668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86696309 - 2¹⁶ = 86630773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86696329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6192587 + ... + 6192600.

It is an arithmetic number, because the mean of its divisors is an integer number (24770376).

Almost surely, 2^86696309 is an apocalyptic number.

It is an amenable number.

86696309 is a deficient number, since it is larger than the sum of its proper divisors (12385195).

86696309 is a wasteful number, since it uses less digits than its factorization.

86696309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385194.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 86696309 is about 9311.0852750901. The cubic root of 86696309 is about 442.5885789880.

The spelling of 86696309 in words is "eighty-six million, six hundred ninety-six thousand, three hundred nine".