678794049082 has 8 divisors (see below), whose sum is σ = 1018264015296. Its totient is φ = 339372710652.

The previous prime is 678794049061. The next prime is 678794049083. The reversal of 678794049082 is 280940497876.

678794049082 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 super-2 number, since 2×678794049082² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (678794049083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12122028 + ... + 12177895.

It is an arithmetic number, because the mean of its divisors is an integer number (127283001912).

Almost surely, 2^678794049082 is an apocalyptic number.

678794049082 is a deficient number, since it is larger than the sum of its proper divisors (339469966214).

678794049082 is a wasteful number, since it uses less digits than its factorization.

678794049082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24313892.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 678794049082 in words is "six hundred seventy-eight billion, seven hundred ninety-four million, forty-nine thousand, eighty-two".