670731242788 has 6 divisors (see below), whose sum is σ = 1173779674886. Its totient is φ = 335365621392.

The previous prime is 670731242773. The next prime is 670731242849. The reversal of 670731242788 is 887242137076.

It can be written as a sum of positive squares in only one way, i.e., 659006251264 + 11724991524 = 811792^2 + 108282^2 .

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 as a sum of consecutive naturals, namely, 83841405345 + ... + 83841405352.

Almost surely, 2^670731242788 is an apocalyptic number.

It is an amenable number.

670731242788 is a deficient number, since it is larger than the sum of its proper divisors (503048432098).

670731242788 is a wasteful number, since it uses less digits than its factorization.

670731242788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167682810701 (or 167682810699 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 670731242788 in words is "six hundred seventy billion, seven hundred thirty-one million, two hundred forty-two thousand, seven hundred eighty-eight".