63650997 has 12 divisors (see below), whose sum is σ = 92293344. Its totient is φ = 42271080.

The previous prime is 63650987. The next prime is 63651001. The reversal of 63650997 is 79905636.

63650997 is a `hidden beast` number, since 636 + 5 + 0 + 9 + 9 + 7 = 666.

It is not a de Polignac number, because 63650997 - 2⁴ = 63650981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63650927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11079 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (7691112).

Almost surely, 2^63650997 is an apocalyptic number.

It is an amenable number.

63650997 is a deficient number, since it is larger than the sum of its proper divisors (28642347).

63650997 is a wasteful number, since it uses less digits than its factorization.

63650997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27160 (or 27157 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 63650997 is about 7978.1574940584. The cubic root of 63650997 is about 399.2715847499.

The spelling of 63650997 in words is "sixty-three million, six hundred fifty thousand, nine hundred ninety-seven".