5663604977 has 4 divisors (see below), whose sum is σ = 5665616880. Its totient is φ = 5661593076.

The previous prime is 5663604971. The next prime is 5663605007. The reversal of 5663604977 is 7794063665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5663604977 - 2³⁰ = 4589863153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5663604971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001723 + ... + 1007360.

It is an arithmetic number, because the mean of its divisors is an integer number (1416404220).

Almost surely, 2^5663604977 is an apocalyptic number.

It is an amenable number.

5663604977 is a deficient number, since it is larger than the sum of its proper divisors (2011903).

5663604977 is a wasteful number, since it uses less digits than its factorization.

5663604977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011902.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The square root of 5663604977 is about 75256.9264387006. The cubic root of 5663604977 is about 1782.5059364948.

The spelling of 5663604977 in words is "five billion, six hundred sixty-three million, six hundred four thousand, nine hundred seventy-seven".