678328486090 has 16 divisors (see below), whose sum is σ = 1221602112000. Its totient is φ = 271195652880.

The previous prime is 678328486081. The next prime is 678328486097. The reversal of 678328486090 is 90684823876.

It is not an unprimeable number, because it can be changed into a prime (678328486097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16946706 + ... + 16986685.

It is an arithmetic number, because the mean of its divisors is an integer number (76350132000).

Almost surely, 2^678328486090 is an apocalyptic number.

678328486090 is a deficient number, since it is larger than the sum of its proper divisors (543273625910).

678328486090 is a wasteful number, since it uses less digits than its factorization.

678328486090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33935397.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 678328486090 in words is "six hundred seventy-eight billion, three hundred twenty-eight million, four hundred eighty-six thousand, ninety".