83107609 has 12 divisors (see below), whose sum is σ = 91915776. Its totient is φ = 75075312.

The previous prime is 83107603. The next prime is 83107627. The reversal of 83107609 is 90670138.

It is not a de Polignac number, because 83107609 - 2⁷ = 83107481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83107603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2712 + ... + 13174.

It is an arithmetic number, because the mean of its divisors is an integer number (7659648).

Almost surely, 2^83107609 is an apocalyptic number.

It is an amenable number.

83107609 is a deficient number, since it is larger than the sum of its proper divisors (8808167).

83107609 is a wasteful number, since it uses less digits than its factorization.

83107609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536 (or 10523 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 83107609 is about 9116.3374772987. The cubic root of 83107609 is about 436.3954990136.

The spelling of 83107609 in words is "eighty-three million, one hundred seven thousand, six hundred nine".