634076280478 has 8 divisors (see below), whose sum is σ = 1007062327872. Its totient is φ = 298388837856.

The previous prime is 634076280443. The next prime is 634076280517. The reversal of 634076280478 is 874082670436.

634076280478 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, 9324651150 + ... + 9324651217.

It is an arithmetic number, because the mean of its divisors is an integer number (125882790984).

Almost surely, 2^634076280478 is an apocalyptic number.

634076280478 is a deficient number, since it is larger than the sum of its proper divisors (372986047394).

634076280478 is a wasteful number, since it uses less digits than its factorization.

634076280478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18649302386.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 634076280478 in words is "six hundred thirty-four billion, seventy-six million, two hundred eighty thousand, four hundred seventy-eight".