687070709348 has 12 divisors (see below), whose sum is σ = 1210336482432. Its totient is φ = 341260285800.

The previous prime is 687070709293. The next prime is 687070709359. The reversal of 687070709348 is 843907070786.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568766540 + ... + 568767747.

It is an arithmetic number, because the mean of its divisors is an integer number (100861373536).

Almost surely, 2^687070709348 is an apocalyptic number.

It is an amenable number.

687070709348 is a deficient number, since it is larger than the sum of its proper divisors (523265773084).

687070709348 is a wasteful number, since it uses less digits than its factorization.

687070709348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137534442 (or 1137534440 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 687070709348 in words is "six hundred eighty-seven billion, seventy million, seven hundred nine thousand, three hundred forty-eight".