65423785 has 8 divisors (see below), whose sum is σ = 89724096. Its totient is φ = 44862000.

The previous prime is 65423779. The next prime is 65423789. The reversal of 65423785 is 58732456.

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

It is not a de Polignac number, because 65423785 - 2³ = 65423777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65423789) 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, 934591 + ... + 934660.

It is an arithmetic number, because the mean of its divisors is an integer number (11215512).

Almost surely, 2^65423785 is an apocalyptic number.

It is an amenable number.

65423785 is a deficient number, since it is larger than the sum of its proper divisors (24300311).

65423785 is a wasteful number, since it uses less digits than its factorization.

65423785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869263.

The product of its digits is 201600, while the sum is 40.

The square root of 65423785 is about 8088.4970791860. The cubic root of 65423785 is about 402.9444905042.

The spelling of 65423785 in words is "sixty-five million, four hundred twenty-three thousand, seven hundred eighty-five".