63535006677 has 4 divisors (see below), whose sum is σ = 84713342240. Its totient is φ = 42356671116.

The previous prime is 63535006673. The next prime is 63535006687. The reversal of 63535006677 is 77660053536.

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 not a de Polignac number, because 63535006677 - 2² = 63535006673 is a prime.

It is a super-3 number, since 3×63535006677³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63535006673) 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, 10589167777 + ... + 10589167782.

It is an arithmetic number, because the mean of its divisors is an integer number (21178335560).

Almost surely, 2^63535006677 is an apocalyptic number.

It is an amenable number.

63535006677 is a deficient number, since it is larger than the sum of its proper divisors (21178335563).

63535006677 is a wasteful number, since it uses less digits than its factorization.

63535006677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21178335562.

The product of its (nonzero) digits is 2381400, while the sum is 48.

The spelling of 63535006677 in words is "sixty-three billion, five hundred thirty-five million, six thousand, six hundred seventy-seven".