678103971 has 8 divisors (see below), whose sum is σ = 906658560. Its totient is φ = 450809352.

The previous prime is 678103969. The next prime is 678103981. The reversal of 678103971 is 179301876.

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

It is not a de Polignac number, because 678103971 - 2¹ = 678103969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678103931) 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, 313735 + ... + 315888.

It is an arithmetic number, because the mean of its divisors is an integer number (113332320).

Almost surely, 2^678103971 is an apocalyptic number.

678103971 is a deficient number, since it is larger than the sum of its proper divisors (228554589).

678103971 is a wasteful number, since it uses less digits than its factorization.

678103971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629985.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 678103971 is about 26040.4295471484. The cubic root of 678103971 is about 878.5478680820.

The spelling of 678103971 in words is "six hundred seventy-eight million, one hundred three thousand, nine hundred seventy-one".