65947896 has 192 divisors, whose sum is σ = 222393600. Its totient is φ = 17224704.

The previous prime is 65947873. The next prime is 65947927. The reversal of 65947896 is 69874956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368335 + ... + 368513.

It is an arithmetic number, because the mean of its divisors is an integer number (1158300).

Almost surely, 2^65947896 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 65947896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111196800).

65947896 is an abundant number, since it is smaller than the sum of its proper divisors (156445704).

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

65947896 is a wasteful number, since it uses less digits than its factorization.

65947896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 251 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 65947896 is about 8120.8309919614. The cubic root of 65947896 is about 404.0176282214.

The spelling of 65947896 in words is "sixty-five million, nine hundred forty-seven thousand, eight hundred ninety-six".