64897803 has 12 divisors (see below), whose sum is σ = 95026360. Its totient is φ = 42672096.

The previous prime is 64897801. The next prime is 64897829. The reversal of 64897803 is 30879846.

It is a happy number.

It is not a de Polignac number, because 64897803 - 2¹ = 64897801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64897801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48733 + ... + 50046.

Almost surely, 2^64897803 is an apocalyptic number.

64897803 is a deficient number, since it is larger than the sum of its proper divisors (30128557).

64897803 is a wasteful number, since it uses less digits than its factorization.

64897803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98858 (or 98855 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 64897803 is about 8055.9172662087. The cubic root of 64897803 is about 401.8617442439.

The spelling of 64897803 in words is "sixty-four million, eight hundred ninety-seven thousand, eight hundred three".