63364865 has 16 divisors (see below), whose sum is σ = 81274752. Its totient is φ = 47257344.

The previous prime is 63364859. The next prime is 63364871. The reversal of 63364865 is 56846336.

It is an interprime number because it is at equal distance from previous prime (63364859) and next prime (63364871).

It is a cyclic number.

It is not a de Polignac number, because 63364865 - 2⁴ = 63364849 is a prime.

It is a super-2 number, since 2×63364865² = 8030212232936450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5612 + ... + 12578.

It is an arithmetic number, because the mean of its divisors is an integer number (5079672).

Almost surely, 2^63364865 is an apocalyptic number.

It is an amenable number.

63364865 is a deficient number, since it is larger than the sum of its proper divisors (17909887).

63364865 is a wasteful number, since it uses less digits than its factorization.

63364865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096.

The product of its digits is 311040, while the sum is 41.

The square root of 63364865 is about 7960.2050852977. The cubic root of 63364865 is about 398.6724006581.

The spelling of 63364865 in words is "sixty-three million, three hundred sixty-four thousand, eight hundred sixty-five".