670451738278 has 8 divisors (see below), whose sum is σ = 1149345837072. Its totient is φ = 287336459256.

The previous prime is 670451738263. The next prime is 670451738291. The reversal of 670451738278 is 872837154076.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23944704925 + ... + 23944704952.

It is an arithmetic number, because the mean of its divisors is an integer number (143668229634).

Almost surely, 2^670451738278 is an apocalyptic number.

670451738278 is a deficient number, since it is larger than the sum of its proper divisors (478894098794).

670451738278 is a wasteful number, since it uses less digits than its factorization.

670451738278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47889409886.

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 670451738278 in words is "six hundred seventy billion, four hundred fifty-one million, seven hundred thirty-eight thousand, two hundred seventy-eight".