63516077 has 8 divisors (see below), whose sum is σ = 64409016. Its totient is φ = 62629632.

The previous prime is 63516073. The next prime is 63516091. The reversal of 63516077 is 77061536.

It can be written as a sum of positive squares in 4 ways, for example, as 14600041 + 48916036 = 3821^2 + 6994^2 .

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 63516077 - 2² = 63516073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63516073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20033 + ... + 22985.

It is an arithmetic number, because the mean of its divisors is an integer number (8051127).

Almost surely, 2^63516077 is an apocalyptic number.

It is an amenable number.

63516077 is a deficient number, since it is larger than the sum of its proper divisors (892939).

63516077 is a wasteful number, since it uses less digits than its factorization.

63516077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 63516077 is about 7969.6974221108. The cubic root of 63516077 is about 398.9892753235.

The spelling of 63516077 in words is "sixty-three million, five hundred sixteen thousand, seventy-seven".