678335465 has 8 divisors (see below), whose sum is σ = 814142400. Its totient is φ = 542575152.

The previous prime is 678335461. The next prime is 678335501. The reversal of 678335465 is 564533876.

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 678335465 - 2² = 678335461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678335461) 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, 50492 + ... + 62498.

It is an arithmetic number, because the mean of its divisors is an integer number (101767800).

Almost surely, 2^678335465 is an apocalyptic number.

It is an amenable number.

678335465 is a deficient number, since it is larger than the sum of its proper divisors (135806935).

678335465 is a wasteful number, since it uses less digits than its factorization.

678335465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23311.

The product of its digits is 1814400, while the sum is 47.

The square root of 678335465 is about 26044.8740638153. The cubic root of 678335465 is about 878.6478308359.

The spelling of 678335465 in words is "six hundred seventy-eight million, three hundred thirty-five thousand, four hundred sixty-five".