63478087436 has 24 divisors (see below), whose sum is σ = 112313644800. Its totient is φ = 31390386192.

The previous prime is 63478087429. The next prime is 63478087441.

63478087436 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×63478087436² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105830 + ... + 371693.

It is an arithmetic number, because the mean of its divisors is an integer number (4679735200).

Almost surely, 2^63478087436 is an apocalyptic number.

It is an amenable number.

63478087436 is a deficient number, since it is larger than the sum of its proper divisors (48835557364).

63478087436 is a wasteful number, since it uses less digits than its factorization.

63478087436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477893 (or 477891 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 63478087436 in words is "sixty-three billion, four hundred seventy-eight million, eighty-seven thousand, four hundred thirty-six".