1287587368706 has 8 divisors (see below), whose sum is σ = 1931388726540. Its totient is φ = 643791126528.

The previous prime is 1287587368699. The next prime is 1287587368723. The reversal of 1287587368706 is 6078637857821.

It can be written as a sum of positive squares in 2 ways, for example, as 1183058659225 + 104528709481 = 1087685^2 + 323309^2 .

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

It is a super-2 number, since 2×1287587368706² (a number of 25 digits) contains 22 as substring.

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, 571391 + ... + 1703426.

Almost surely, 2^{1287587368706} is an apocalyptic number.

1287587368706 is a deficient number, since it is larger than the sum of its proper divisors (643801357834).

1287587368706 is a wasteful number, since it uses less digits than its factorization.

1287587368706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557828.

The product of its (nonzero) digits is 189665280, while the sum is 68.

The spelling of 1287587368706 in words is "one trillion, two hundred eighty-seven billion, five hundred eighty-seven million, three hundred sixty-eight thousand, seven hundred six".