63897610 has 16 divisors (see below), whose sum is σ = 131446656. Its totient is φ = 21907728.

The previous prime is 63897601. The next prime is 63897619. The reversal of 63897610 is 1679836.

It is an interprime number because it is at equal distance from previous prime (63897601) and next prime (63897619).

It is not an unprimeable number, because it can be changed into a prime (63897619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456342 + ... + 456481.

It is an arithmetic number, because the mean of its divisors is an integer number (8215416).

Almost surely, 2^63897610 is an apocalyptic number.

63897610 is an abundant number, since it is smaller than the sum of its proper divisors (67549046).

63897610 is a wasteful number, since it uses less digits than its factorization.

63897610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912837.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 63897610 is about 7993.5980634505. The cubic root of 63897610 is about 399.7865736432.

The spelling of 63897610 in words is "sixty-three million, eight hundred ninety-seven thousand, six hundred ten".