65350880 has 192 divisors, whose sum is σ = 193052160. Its totient is φ = 20404224.

The previous prime is 65350871. The next prime is 65350897. The reversal of 65350880 is 8805356.

65350880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 65350880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 787319 + ... + 787401.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^65350880 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 65350880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96526080).

65350880 is an abundant number, since it is smaller than the sum of its proper divisors (127701280).

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

65350880 is a wasteful number, since it uses less digits than its factorization.

65350880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 65350880 is about 8083.9891142925. The cubic root of 65350880 is about 402.7947611318.

The spelling of 65350880 in words is "sixty-five million, three hundred fifty thousand, eight hundred eighty".