678151380 has 48 divisors (see below), whose sum is σ = 1900523520. Its totient is φ = 180678528.

The previous prime is 678151379. The next prime is 678151427. The reversal of 678151380 is 83151876.

It is a congruent number.

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, 72322 + ... + 81158.

It is an arithmetic number, because the mean of its divisors is an integer number (39594240).

Almost surely, 2^678151380 is an apocalyptic number.

678151380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

678151380 is an abundant number, since it is smaller than the sum of its proper divisors (1222372140).

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

678151380 is a wasteful number, since it uses less digits than its factorization.

678151380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128 (or 10126 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 678151380 is about 26041.3398272823. The cubic root of 678151380 is about 878.5683418869.

The spelling of 678151380 in words is "six hundred seventy-eight million, one hundred fifty-one thousand, three hundred eighty".