64120850 has 12 divisors (see below), whose sum is σ = 119264874. Its totient is φ = 25648320.

The previous prime is 64120817. The next prime is 64120871. The reversal of 64120850 is 5802146.

It can be written as a sum of positive squares in 3 ways, for example, as 48762289 + 15358561 = 6983^2 + 3919^2 .

It is a super-2 number, since 2×64120850² = 8222966809445000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641159 + ... + 641258.

Almost surely, 2^64120850 is an apocalyptic number.

64120850 is a deficient number, since it is larger than the sum of its proper divisors (55144024).

64120850 is a wasteful number, since it uses less digits than its factorization.

64120850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282429 (or 1282424 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 64120850 is about 8007.5495627564. The cubic root of 64120850 is about 400.2516125280.

Adding to 64120850 its reverse (5802146), we get a palindrome (69922996).

The spelling of 64120850 in words is "sixty-four million, one hundred twenty thousand, eight hundred fifty".