64895959 has 4 divisors (see below), whose sum is σ = 65391480. Its totient is φ = 64400440.

The previous prime is 64895951. The next prime is 64895969. The reversal of 64895959 is 95959846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64895959 - 2³ = 64895951 is a prime.

It is a super-2 number, since 2×64895959² = 8422970989059362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64895951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247564 + ... + 247825.

It is an arithmetic number, because the mean of its divisors is an integer number (16347870).

Almost surely, 2^64895959 is an apocalyptic number.

64895959 is a deficient number, since it is larger than the sum of its proper divisors (495521).

64895959 is a wasteful number, since it uses less digits than its factorization.

64895959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495520.

The product of its digits is 3499200, while the sum is 55.

The square root of 64895959 is about 8055.8028153624. The cubic root of 64895959 is about 401.8579380541.

The spelling of 64895959 in words is "sixty-four million, eight hundred ninety-five thousand, nine hundred fifty-nine".