63895965 has 32 divisors (see below), whose sum is σ = 117469440. Its totient is φ = 29051904.

The previous prime is 63895943. The next prime is 63895969. The reversal of 63895965 is 56959836.

It is not a de Polignac number, because 63895965 - 2⁶ = 63895901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63895969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19141 + ... + 22229.

It is an arithmetic number, because the mean of its divisors is an integer number (3670920).

Almost surely, 2^63895965 is an apocalyptic number.

It is an amenable number.

63895965 is a deficient number, since it is larger than the sum of its proper divisors (53573475).

63895965 is a wasteful number, since it uses less digits than its factorization.

63895965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301.

The product of its digits is 1749600, while the sum is 51.

The square root of 63895965 is about 7993.4951679475. The cubic root of 63895965 is about 399.7831428704.

The spelling of 63895965 in words is "sixty-three million, eight hundred ninety-five thousand, nine hundred sixty-five".