687975036010 has 8 divisors (see below), whose sum is σ = 1238355064836. Its totient is φ = 275190014400.

The previous prime is 687975035947. The next prime is 687975036053. The reversal of 687975036010 is 10630579786.

It can be written as a sum of positive squares in 2 ways, for example, as 587477793841 + 100497242169 = 766471^2 + 317013^2 .

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, 34398751791 + ... + 34398751810.

Almost surely, 2^687975036010 is an apocalyptic number.

687975036010 is a deficient number, since it is larger than the sum of its proper divisors (550380028826).

687975036010 is a wasteful number, since it uses less digits than its factorization.

687975036010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68797503608.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 687975036010 in words is "six hundred eighty-seven billion, nine hundred seventy-five million, thirty-six thousand, ten".