63396083478 has 96 divisors (see below), whose sum is σ = 159406500960. Its totient is φ = 16660062720.

The previous prime is 63396083473. The next prime is 63396083479. The reversal of 63396083478 is 87438069336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63396083473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1044468 + ... + 1103496.

It is an arithmetic number, because the mean of its divisors is an integer number (1660484385).

Almost surely, 2^63396083478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63396083478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79703250480).

63396083478 is an abundant number, since it is smaller than the sum of its proper divisors (96010417482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63396083478 is a wasteful number, since it uses less digits than its factorization.

63396083478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59342 (or 59335 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 63396083478 in words is "sixty-three billion, three hundred ninety-six million, eighty-three thousand, four hundred seventy-eight".