63628477 has 4 divisors (see below), whose sum is σ = 69412896. Its totient is φ = 57844060.

The previous prime is 63628469. The next prime is 63628507. The reversal of 63628477 is 77482636.

It is a happy number.

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 63628477 - 2³ = 63628469 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 (63628277) 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, 2892193 + ... + 2892214.

It is an arithmetic number, because the mean of its divisors is an integer number (17353224).

Almost surely, 2^63628477 is an apocalyptic number.

It is an amenable number.

63628477 is a deficient number, since it is larger than the sum of its proper divisors (5784419).

63628477 is a wasteful number, since it uses less digits than its factorization.

63628477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784418.

The product of its digits is 338688, while the sum is 43.

The square root of 63628477 is about 7976.7460157636. The cubic root of 63628477 is about 399.2244911869.

The spelling of 63628477 in words is "sixty-three million, six hundred twenty-eight thousand, four hundred seventy-seven".