64829895 has 16 divisors (see below), whose sum is σ = 111707232. Its totient is φ = 31916160.

The previous prime is 64829879. The next prime is 64829899. The reversal of 64829895 is 59892846.

It is not a de Polignac number, because 64829895 - 2⁴ = 64829879 is a prime.

It is a super-2 number, since 2×64829895² = 8405830571422050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64829899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166036 + ... + 166425.

It is an arithmetic number, because the mean of its divisors is an integer number (6981702).

Almost surely, 2^64829895 is an apocalyptic number.

64829895 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64829895 is a deficient number, since it is larger than the sum of its proper divisors (46877337).

64829895 is a wasteful number, since it uses less digits than its factorization.

64829895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332482.

The product of its digits is 1244160, while the sum is 51.

The square root of 64829895 is about 8051.7013730019. The cubic root of 64829895 is about 401.7215281396.

The spelling of 64829895 in words is "sixty-four million, eight hundred twenty-nine thousand, eight hundred ninety-five".