678602793 has 16 divisors (see below), whose sum is σ = 987537600. Its totient is φ = 411074880.

The previous prime is 678602791. The next prime is 678602801. The reversal of 678602793 is 397206876.

It is not a de Polignac number, because 678602793 - 2¹ = 678602791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678602791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92463 + ... + 99531.

It is an arithmetic number, because the mean of its divisors is an integer number (61721100).

Almost surely, 2^678602793 is an apocalyptic number.

It is an amenable number.

678602793 is a deficient number, since it is larger than the sum of its proper divisors (308934807).

678602793 is a wasteful number, since it uses less digits than its factorization.

678602793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 678602793 is about 26050.0056237998. The cubic root of 678602793 is about 878.7632389834.

The spelling of 678602793 in words is "six hundred seventy-eight million, six hundred two thousand, seven hundred ninety-three".