10687502879 has 4 divisors (see below), whose sum is σ = 10695873384. Its totient is φ = 10679132376.

The previous prime is 10687502857. The next prime is 10687502887. The reversal of 10687502879 is 97820578601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97820578601 = 1187 ⋅82409923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10687502879 is a prime.

It is a super-2 number, since 2×10687502879² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10687502879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10687502279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183337 + ... + 4185890.

It is an arithmetic number, because the mean of its divisors is an integer number (2673968346).

Almost surely, 2^10687502879 is an apocalyptic number.

10687502879 is a deficient number, since it is larger than the sum of its proper divisors (8370505).

10687502879 is an equidigital number, since it uses as much as digits as its factorization.

10687502879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370504.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 10687502879 in words is "ten billion, six hundred eighty-seven million, five hundred two thousand, eight hundred seventy-nine".