65856804 has 48 divisors (see below), whose sum is σ = 167782272. Its totient is φ = 19982592.

The previous prime is 65856799. The next prime is 65856809. The reversal of 65856804 is 40865856.

It is an interprime number because it is at equal distance from previous prime (65856799) and next prime (65856809).

It is a super-3 number, since 3×65856804³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65856809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8497 + ... + 14279.

It is an arithmetic number, because the mean of its divisors is an integer number (3495464).

Almost surely, 2^65856804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65856804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83891136).

65856804 is an abundant number, since it is smaller than the sum of its proper divisors (101925468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65856804 is a wasteful number, since it uses less digits than its factorization.

65856804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 65856804 is about 8115.2205145640. The cubic root of 65856804 is about 403.8315230590.

The spelling of 65856804 in words is "sixty-five million, eight hundred fifty-six thousand, eight hundred four".