65869793 has 4 divisors (see below), whose sum is σ = 71857968. Its totient is φ = 59881620.

The previous prime is 65869787. The next prime is 65869807. The reversal of 65869793 is 39796856.

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 65869793 - 2⁶ = 65869729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65869703) 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, 2994071 + ... + 2994092.

It is an arithmetic number, because the mean of its divisors is an integer number (17964492).

Almost surely, 2^65869793 is an apocalyptic number.

It is an amenable number.

65869793 is a deficient number, since it is larger than the sum of its proper divisors (5988175).

65869793 is a wasteful number, since it uses less digits than its factorization.

65869793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988174.

The product of its digits is 2449440, while the sum is 53.

The square root of 65869793 is about 8116.0207614323. The cubic root of 65869793 is about 403.8580706720.

The spelling of 65869793 in words is "sixty-five million, eight hundred sixty-nine thousand, seven hundred ninety-three".