65428335 has 24 divisors (see below), whose sum is σ = 129611040. Its totient is φ = 29909952.

The previous prime is 65428331. The next prime is 65428369. The reversal of 65428335 is 53382456.

It is a happy number.

65428335 is a `hidden beast` number, since 6 + 542 + 83 + 35 = 666.

It is not a de Polignac number, because 65428335 - 2² = 65428331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65428335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65428331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103540 + ... + 104169.

It is an arithmetic number, because the mean of its divisors is an integer number (5400460).

Almost surely, 2^65428335 is an apocalyptic number.

65428335 is a deficient number, since it is larger than the sum of its proper divisors (64182705).

65428335 is a wasteful number, since it uses less digits than its factorization.

65428335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207727 (or 207724 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 65428335 is about 8088.7783379198. The cubic root of 65428335 is about 402.9538314237.

The spelling of 65428335 in words is "sixty-five million, four hundred twenty-eight thousand, three hundred thirty-five".