65809093 has 8 divisors (see below), whose sum is σ = 76629888. Its totient is φ = 55343184.

The previous prime is 65809067. The next prime is 65809109. The reversal of 65809093 is 39090856.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65809093 - 2⁵ = 65809061 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 (65809043) 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, 88321 + ... + 89062.

It is an arithmetic number, because the mean of its divisors is an integer number (9578736).

Almost surely, 2^65809093 is an apocalyptic number.

It is an amenable number.

65809093 is a deficient number, since it is larger than the sum of its proper divisors (10820795).

65809093 is a wasteful number, since it uses less digits than its factorization.

65809093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177443.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 65809093 is about 8112.2803822353. The cubic root of 65809093 is about 403.7339787947.

The spelling of 65809093 in words is "sixty-five million, eight hundred nine thousand, ninety-three".