678400364 has 48 divisors (see below), whose sum is σ = 1296388800. Its totient is φ = 309636096.

The previous prime is 678400361. The next prime is 678400367. The reversal of 678400364 is 463004876.

It is a happy number.

678400364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (678400361) and next prime (678400367).

It is not an unprimeable number, because it can be changed into a prime (678400361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236024 + ... + 238880.

It is an arithmetic number, because the mean of its divisors is an integer number (27008100).

Almost surely, 2^678400364 is an apocalyptic number.

It is an amenable number.

678400364 is a deficient number, since it is larger than the sum of its proper divisors (617988436).

678400364 is a wasteful number, since it uses less digits than its factorization.

678400364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 678400364 is about 26046.1199413655. The cubic root of 678400364 is about 878.6758511642.

The spelling of 678400364 in words is "six hundred seventy-eight million, four hundred thousand, three hundred sixty-four".