63400199078 has 8 divisors (see below), whose sum is σ = 97670577072. Its totient is φ = 30843340056.

The previous prime is 63400199033. The next prime is 63400199087. The reversal of 63400199078 is 87099100436.

63400199078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 428379650 + ... + 428379797.

It is an arithmetic number, because the mean of its divisors is an integer number (12208822134).

Almost surely, 2^63400199078 is an apocalyptic number.

63400199078 is a deficient number, since it is larger than the sum of its proper divisors (34270377994).

63400199078 is a wasteful number, since it uses less digits than its factorization.

63400199078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856759486.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 63400199078 in words is "sixty-three billion, four hundred million, one hundred ninety-nine thousand, seventy-eight".