678010464 has 36 divisors (see below), whose sum is σ = 1928093076. Its totient is φ = 226003392.

The previous prime is 678010457. The next prime is 678010471. The reversal of 678010464 is 464010876.

It is an interprime number because it is at equal distance from previous prime (678010457) and next prime (678010471).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1176814 + ... + 1177389.

It is an arithmetic number, because the mean of its divisors is an integer number (53558141).

Almost surely, 2^678010464 is an apocalyptic number.

It is an amenable number.

678010464 is an abundant number, since it is smaller than the sum of its proper divisors (1250082612).

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

678010464 is a wasteful number, since it uses less digits than its factorization.

678010464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354219 (or 2354208 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 678010464 is about 26038.6340655573. The cubic root of 678010464 is about 878.5074838365.

The spelling of 678010464 in words is "six hundred seventy-eight million, ten thousand, four hundred sixty-four".