678296470 has 8 divisors (see below), whose sum is σ = 1220933664. Its totient is φ = 271318584.

The previous prime is 678296467. The next prime is 678296471. The reversal of 678296470 is 74692876.

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

It is a super-2 number, since 2×678296470² = 920172202428921800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678296471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33914814 + ... + 33914833.

It is an arithmetic number, because the mean of its divisors is an integer number (152616708).

Almost surely, 2^678296470 is an apocalyptic number.

678296470 is a deficient number, since it is larger than the sum of its proper divisors (542637194).

678296470 is a wasteful number, since it uses less digits than its factorization.

678296470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67829654.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 678296470 is about 26044.1254412583. The cubic root of 678296470 is about 878.6309937740.

The spelling of 678296470 in words is "six hundred seventy-eight million, two hundred ninety-six thousand, four hundred seventy".