63197871 has 32 divisors (see below), whose sum is σ = 95723520. Its totient is φ = 36741600.

The previous prime is 63197843. The next prime is 63197899. The reversal of 63197871 is 17879136.

It is an interprime number because it is at equal distance from previous prime (63197843) and next prime (63197899).

It is not a de Polignac number, because 63197871 - 2¹¹ = 63195823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63197801) 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, 166560 + ... + 166938.

It is an arithmetic number, because the mean of its divisors is an integer number (2991360).

Almost surely, 2^63197871 is an apocalyptic number.

63197871 is a deficient number, since it is larger than the sum of its proper divisors (32525649).

63197871 is a wasteful number, since it uses less digits than its factorization.

63197871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

The product of its digits is 63504, while the sum is 42.

The square root of 63197871 is about 7949.7088625936. The cubic root of 63197871 is about 398.3218674399.

The spelling of 63197871 in words is "sixty-three million, one hundred ninety-seven thousand, eight hundred seventy-one".