63478887436 has 36 divisors (see below), whose sum is σ = 112899782016. Its totient is φ = 31226196000.

The previous prime is 63478887431. The next prime is 63478887443.

63478887436 is nontrivially palindromic in base 10.

63478887436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×63478887436³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (63478887431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69987295 + ... + 69988201.

It is an arithmetic number, because the mean of its divisors is an integer number (3136105056).

Almost surely, 2^63478887436 is an apocalyptic number.

It is an amenable number.

63478887436 is a deficient number, since it is larger than the sum of its proper divisors (49420894580).

63478887436 is a wasteful number, since it uses less digits than its factorization.

63478887436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 1201 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 64.

The spelling of 63478887436 in words is "sixty-three billion, four hundred seventy-eight million, eight hundred eighty-seven thousand, four hundred thirty-six".