65770848 has 144 divisors (see below), whose sum is σ = 219872016. Its totient is φ = 18385920.

The previous prime is 65770829. The next prime is 65770877. The reversal of 65770848 is 84807756.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40386 + ... + 41982.

It is an arithmetic number, because the mean of its divisors is an integer number (1526889).

Almost surely, 2^65770848 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 65770848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109936008).

65770848 is an abundant number, since it is smaller than the sum of its proper divisors (154101168).

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

65770848 is a wasteful number, since it uses less digits than its factorization.

65770848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 65770848 is about 8109.9228109767. The cubic root of 65770848 is about 403.6557535454.

It can be divided in two parts, 657708 and 48, that added together give a palindrome (657756).

The spelling of 65770848 in words is "sixty-five million, seven hundred seventy thousand, eight hundred forty-eight".