63486797 has 4 divisors (see below), whose sum is σ = 69258336. Its totient is φ = 57715260.

The previous prime is 63486779. The next prime is 63486811. The reversal of 63486797 is 79768436.

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.

It is a cyclic number.

It is not a de Polignac number, because 63486797 - 2¹⁸ = 63224653 is a prime.

It is a super-3 number, since 3×63486797³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63486727) 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, 2885753 + ... + 2885774.

It is an arithmetic number, because the mean of its divisors is an integer number (17314584).

Almost surely, 2^63486797 is an apocalyptic number.

It is an amenable number.

63486797 is a deficient number, since it is larger than the sum of its proper divisors (5771539).

63486797 is a wasteful number, since it uses less digits than its factorization.

63486797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771538.

The product of its digits is 1524096, while the sum is 50.

The square root of 63486797 is about 7967.8602522886. The cubic root of 63486797 is about 398.9279564568.

The spelling of 63486797 in words is "sixty-three million, four hundred eighty-six thousand, seven hundred ninety-seven".