63197799 has 12 divisors (see below), whose sum is σ = 98021304. Its totient is φ = 36112944.

The previous prime is 63197773. The next prime is 63197801. The reversal of 63197799 is 99779136.

63197799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63197799 - 2⁸ = 63197543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63197749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214812 + ... + 215105.

It is an arithmetic number, because the mean of its divisors is an integer number (8168442).

Almost surely, 2^63197799 is an apocalyptic number.

63197799 is a deficient number, since it is larger than the sum of its proper divisors (34823505).

63197799 is a wasteful number, since it uses less digits than its factorization.

63197799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429934 (or 429927 counting only the distinct ones).

The product of its digits is 642978, while the sum is 51.

The square root of 63197799 is about 7949.7043341246. The cubic root of 63197799 is about 398.3217161733.

The spelling of 63197799 in words is "sixty-three million, one hundred ninety-seven thousand, seven hundred ninety-nine".