65896864 has 96 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 27728640.

The previous prime is 65896849. The next prime is 65896877. The reversal of 65896864 is 46869856.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394509 + ... + 394675.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^65896864 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 65896864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76204800).

65896864 is an abundant number, since it is smaller than the sum of its proper divisors (86512736).

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

65896864 is a wasteful number, since it uses less digits than its factorization.

65896864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 258 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 65896864 is about 8117.6883409010. The cubic root of 65896864 is about 403.9133886155.

The spelling of 65896864 in words is "sixty-five million, eight hundred ninety-six thousand, eight hundred sixty-four".