670981996882 has 8 divisors (see below), whose sum is σ = 1006777904652. Its totient is φ = 335389362000.

The previous prime is 670981996849. The next prime is 670981996891. The reversal of 670981996882 is 288699189076.

It can be written as a sum of positive squares in 2 ways, for example, as 603932591161 + 67049405721 = 777131^2 + 258939^2 .

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

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, 50809969 + ... + 50823172.

Almost surely, 2^670981996882 is an apocalyptic number.

670981996882 is a deficient number, since it is larger than the sum of its proper divisors (335795907770).

670981996882 is a wasteful number, since it uses less digits than its factorization.

670981996882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101636444.

The product of its (nonzero) digits is 188116992, while the sum is 73.

The spelling of 670981996882 in words is "six hundred seventy billion, nine hundred eighty-one million, nine hundred ninety-six thousand, eight hundred eighty-two".