63797 has 4 divisors (see below), whose sum is σ = 64416. Its totient is φ = 63180.

The previous prime is 63793. The next prime is 63799. The reversal of 63797 is 79736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63797 - 2² = 63793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113 + ... + 374.

It is an arithmetic number, because the mean of its divisors is an integer number (16104).

2⁶³⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

63797 is a deficient number, since it is larger than the sum of its proper divisors (619).

63797 is a wasteful number, since it uses less digits than its factorization.

63797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 7938, while the sum is 32.

The square root of 63797 is about 252.5806801796. The cubic root of 63797 is about 39.9576635397.

The spelling of 63797 in words is "sixty-three thousand, seven hundred ninety-seven".