678612412262 has 8 divisors (see below), whose sum is σ = 1021170755496. Its totient is φ = 338222160432.

The previous prime is 678612412253. The next prime is 678612412277. The reversal of 678612412262 is 262214216876.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542022068 + ... + 542023319.

It is an arithmetic number, because the mean of its divisors is an integer number (127646344437).

Almost surely, 2^678612412262 is an apocalyptic number.

678612412262 is a deficient number, since it is larger than the sum of its proper divisors (342558343234).

678612412262 is a wasteful number, since it uses less digits than its factorization.

678612412262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084045702.

The product of its digits is 774144, while the sum is 47.

The spelling of 678612412262 in words is "six hundred seventy-eight billion, six hundred twelve million, four hundred twelve thousand, two hundred sixty-two".