678108871 has 8 divisors (see below), whose sum is σ = 753713424. Its totient is φ = 604830720.

The previous prime is 678108853. The next prime is 678108883. The reversal of 678108871 is 178801876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 678108871 - 2¹¹ = 678106823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678108671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580986 + ... + 582151.

It is an arithmetic number, because the mean of its divisors is an integer number (94214178).

Almost surely, 2^678108871 is an apocalyptic number.

678108871 is a deficient number, since it is larger than the sum of its proper divisors (75604553).

678108871 is a wasteful number, since it uses less digits than its factorization.

678108871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163201.

The product of its (nonzero) digits is 150528, while the sum is 46.

The square root of 678108871 is about 26040.5236314480. The cubic root of 678108871 is about 878.5499842148.

The spelling of 678108871 in words is "six hundred seventy-eight million, one hundred eight thousand, eight hundred seventy-one".