64835880 has 128 divisors (see below), whose sum is σ = 208051200. Its totient is φ = 16128000.

The previous prime is 64835861. The next prime is 64835887. The reversal of 64835880 is 8853846.

64835880 = T₁₀ + T₁₁ + ... + T₇₂₉.

64835880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64835887) by changing a digit.

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, 107580 + ... + 108180.

It is an arithmetic number, because the mean of its divisors is an integer number (1625400).

Almost surely, 2^64835880 is an apocalyptic number.

64835880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64835880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104025600).

64835880 is an abundant number, since it is smaller than the sum of its proper divisors (143215320).

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

64835880 is a wasteful number, since it uses less digits than its factorization.

64835880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 64835880 is about 8052.0730250042. The cubic root of 64835880 is about 401.7338898716.

The spelling of 64835880 in words is "sixty-four million, eight hundred thirty-five thousand, eight hundred eighty".