63924497 has 16 divisors (see below), whose sum is σ = 81392640. Its totient is φ = 48831552.

The previous prime is 63924481. The next prime is 63924503. The reversal of 63924497 is 79442936.

It is not a de Polignac number, because 63924497 - 2⁴ = 63924481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63924407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9473 + ... + 14750.

It is an arithmetic number, because the mean of its divisors is an integer number (5087040).

Almost surely, 2^63924497 is an apocalyptic number.

It is an amenable number.

63924497 is a deficient number, since it is larger than the sum of its proper divisors (17468143).

63924497 is a wasteful number, since it uses less digits than its factorization.

63924497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24272.

The product of its digits is 326592, while the sum is 44.

The square root of 63924497 is about 7995.2796699052. The cubic root of 63924497 is about 399.8426401862.

The spelling of 63924497 in words is "sixty-three million, nine hundred twenty-four thousand, four hundred ninety-seven".