63487715078 has 8 divisors (see below), whose sum is σ = 95232654720. Its totient is φ = 31743496840.

The previous prime is 63487715063. The next prime is 63487715087. The reversal of 63487715078 is 87051778436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200603 + ... + 408921.

It is an arithmetic number, because the mean of its divisors is an integer number (11904081840).

Almost surely, 2^63487715078 is an apocalyptic number.

63487715078 is a deficient number, since it is larger than the sum of its proper divisors (31744939642).

63487715078 is a wasteful number, since it uses less digits than its factorization.

63487715078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360702.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 63487715078 in words is "sixty-three billion, four hundred eighty-seven million, seven hundred fifteen thousand, seventy-eight".