63791797 has 8 divisors (see below), whose sum is σ = 67304160. Its totient is φ = 60294960.

The previous prime is 63791779. The next prime is 63791801. The reversal of 63791797 is 79719736.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63791797 - 2⁷ = 63791669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63791797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63791197) 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, 5118 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (8413020).

Almost surely, 2^63791797 is an apocalyptic number.

It is an amenable number.

63791797 is a deficient number, since it is larger than the sum of its proper divisors (3512363).

63791797 is a wasteful number, since it uses less digits than its factorization.

63791797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763.

The product of its digits is 500094, while the sum is 49.

The square root of 63791797 is about 7986.9767121233. The cubic root of 63791797 is about 399.5657725368.

The spelling of 63791797 in words is "sixty-three million, seven hundred ninety-one thousand, seven hundred ninety-seven".