63770897 has 8 divisors (see below), whose sum is σ = 67620000. Its totient is φ = 59971104.

The previous prime is 63770879. The next prime is 63770899. The reversal of 63770897 is 79807736.

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 63770897 - 2¹⁶ = 63705361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63770899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647 + ... + 14852.

It is an arithmetic number, because the mean of its divisors is an integer number (8452500).

Almost surely, 2^63770897 is an apocalyptic number.

It is an amenable number.

63770897 is a deficient number, since it is larger than the sum of its proper divisors (3849103).

63770897 is a wasteful number, since it uses less digits than its factorization.

63770897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24655.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 63770897 is about 7985.6682250141. The cubic root of 63770897 is about 399.5221314147.

The spelling of 63770897 in words is "sixty-three million, seven hundred seventy thousand, eight hundred ninety-seven".