678051076 has 12 divisors (see below), whose sum is σ = 1197090972. Its totient is φ = 336025088.

The previous prime is 678051041. The next prime is 678051079. The reversal of 678051076 is 670150876.

It can be written as a sum of positive squares in 2 ways, for example, as 268960000 + 409091076 = 16400^2 + 20226^2 .

It is not an unprimeable number, because it can be changed into a prime (678051079) 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, 749605 + ... + 750508.

It is an arithmetic number, because the mean of its divisors is an integer number (99757581).

Almost surely, 2^678051076 is an apocalyptic number.

It is an amenable number.

678051076 is a deficient number, since it is larger than the sum of its proper divisors (519039896).

678051076 is a wasteful number, since it uses less digits than its factorization.

678051076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500230 (or 1500228 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 678051076 is about 26039.4138950937. The cubic root of 678051076 is about 878.5250239952.

The spelling of 678051076 in words is "six hundred seventy-eight million, fifty-one thousand, seventy-six".