63337245378 has 64 divisors (see below), whose sum is σ = 140543576064. Its totient is φ = 18866664000.

The previous prime is 63337245337. The next prime is 63337245397. The reversal of 63337245378 is 87354273336.

It is a self number, because there is not a number n which added to its sum of digits gives 63337245378.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8092375 + ... + 8100197.

It is an arithmetic number, because the mean of its divisors is an integer number (2195993376).

Almost surely, 2^63337245378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63337245378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70271788032).

63337245378 is an abundant number, since it is smaller than the sum of its proper divisors (77206330686).

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

63337245378 is a wasteful number, since it uses less digits than its factorization.

63337245378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911.

The product of its digits is 7620480, while the sum is 51.

The spelling of 63337245378 in words is "sixty-three billion, three hundred thirty-seven million, two hundred forty-five thousand, three hundred seventy-eight".