678337097 has 8 divisors (see below), whose sum is σ = 692586720. Its totient is φ = 664221600.

The previous prime is 678337039. The next prime is 678337103. The reversal of 678337097 is 790733876.

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 678337097 - 2²⁴ = 661559881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678337027) 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, 23279 + ... + 43572.

It is an arithmetic number, because the mean of its divisors is an integer number (86573340).

Almost surely, 2^678337097 is an apocalyptic number.

It is an amenable number.

678337097 is a deficient number, since it is larger than the sum of its proper divisors (14249623).

678337097 is a wasteful number, since it uses less digits than its factorization.

678337097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67063.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The square root of 678337097 is about 26044.9053943377. The cubic root of 678337097 is about 878.6485354785.

The spelling of 678337097 in words is "six hundred seventy-eight million, three hundred thirty-seven thousand, ninety-seven".