678339330 has 32 divisors (see below), whose sum is σ = 1713700800. Its totient is φ = 171369792.

The previous prime is 678339323. The next prime is 678339341. The reversal of 678339330 is 33933876.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594465 + ... + 595604.

It is an arithmetic number, because the mean of its divisors is an integer number (53553150).

Almost surely, 2^678339330 is an apocalyptic number.

678339330 is an abundant number, since it is smaller than the sum of its proper divisors (1035361470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678339330 is a wasteful number, since it uses less digits than its factorization.

678339330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190098.

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 678339330 is about 26044.9482625710. The cubic root of 678339330 is about 878.6494996107.

The spelling of 678339330 in words is "six hundred seventy-eight million, three hundred thirty-nine thousand, three hundred thirty".