678860633 has 8 divisors (see below), whose sum is σ = 779553120. Its totient is φ = 584664480.

The previous prime is 678860573. The next prime is 678860641. The reversal of 678860633 is 336068876.

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 678860633 - 2¹⁴ = 678844249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678860233) 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, 1623860 + ... + 1624277.

It is an arithmetic number, because the mean of its divisors is an integer number (97444140).

Almost surely, 2^678860633 is an apocalyptic number.

It is an amenable number.

678860633 is a deficient number, since it is larger than the sum of its proper divisors (100692487).

678860633 is a wasteful number, since it uses less digits than its factorization.

678860633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248167.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 678860633 is about 26054.9540970618. The cubic root of 678860633 is about 878.8745223562.

The spelling of 678860633 in words is "six hundred seventy-eight million, eight hundred sixty thousand, six hundred thirty-three".