64886365 has 8 divisors (see below), whose sum is σ = 82443960. Its totient is φ = 48855552.

The previous prime is 64886359. The next prime is 64886377. The reversal of 64886365 is 56368846.

It can be written as a sum of positive squares in 4 ways, for example, as 14220441 + 50665924 = 3771^2 + 7118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64886365 - 2³ = 64886357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381600 + ... + 381769.

It is an arithmetic number, because the mean of its divisors is an integer number (10305495).

Almost surely, 2^64886365 is an apocalyptic number.

It is an amenable number.

64886365 is a deficient number, since it is larger than the sum of its proper divisors (17557595).

64886365 is a wasteful number, since it uses less digits than its factorization.

64886365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763391.

The product of its digits is 829440, while the sum is 46.

The square root of 64886365 is about 8055.2073219750. The cubic root of 64886365 is about 401.8381339701.

The spelling of 64886365 in words is "sixty-four million, eight hundred eighty-six thousand, three hundred sixty-five".