63809097 has 16 divisors (see below), whose sum is σ = 92962560. Its totient is φ = 38610000.

The previous prime is 63809069. The next prime is 63809099. The reversal of 63809097 is 79090836.

It is a happy number.

It is not a de Polignac number, because 63809097 - 2⁸ = 63808841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63809099) 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, 27222 + ... + 29472.

It is an arithmetic number, because the mean of its divisors is an integer number (5810160).

Almost surely, 2^63809097 is an apocalyptic number.

It is an amenable number.

63809097 is a deficient number, since it is larger than the sum of its proper divisors (29153463).

63809097 is a wasteful number, since it uses less digits than its factorization.

63809097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 63809097 is about 7988.0596517552. The cubic root of 63809097 is about 399.6018893178.

The spelling of 63809097 in words is "sixty-three million, eight hundred nine thousand, ninety-seven".