678150697 has 8 divisors (see below), whose sum is σ = 775678016. Its totient is φ = 580785552.

The previous prime is 678150673. The next prime is 678150727. The reversal of 678150697 is 796051876.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-678150697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 678150697.

It is not an unprimeable number, because it can be changed into a prime (678150647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31443 + ... + 48424.

It is an arithmetic number, because the mean of its divisors is an integer number (96959752).

Almost surely, 2^678150697 is an apocalyptic number.

It is an amenable number.

678150697 is a deficient number, since it is larger than the sum of its proper divisors (97527319).

678150697 is a wasteful number, since it uses less digits than its factorization.

678150697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81087.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 678150697 is about 26041.3267135144. The cubic root of 678150697 is about 878.5680469369.

The spelling of 678150697 in words is "six hundred seventy-eight million, one hundred fifty thousand, six hundred ninety-seven".