678133382 has 4 divisors (see below), whose sum is σ = 1017200076. Its totient is φ = 339066690.

The previous prime is 678133381. The next prime is 678133387. The reversal of 678133382 is 283331876.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678133381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169533344 + ... + 169533347.

It is an arithmetic number, because the mean of its divisors is an integer number (254300019).

Almost surely, 2^678133382 is an apocalyptic number.

678133382 is a deficient number, since it is larger than the sum of its proper divisors (339066694).

678133382 is a wasteful number, since it uses less digits than its factorization.

678133382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339066693.

The product of its digits is 145152, while the sum is 41.

The square root of 678133382 is about 26040.9942590524. The cubic root of 678133382 is about 878.5605694763.

The spelling of 678133382 in words is "six hundred seventy-eight million, one hundred thirty-three thousand, three hundred eighty-two".