13798313687 has 8 divisors (see below), whose sum is σ = 14653338336. Its totient is φ = 12948106752.

The previous prime is 13798313677. The next prime is 13798313699. The reversal of 13798313687 is 78631389731.

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

It is a cyclic number.

It is not a de Polignac number, because 13798313687 - 2⁶ = 13798313623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13798313677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198523 + ... + 1209980.

It is an arithmetic number, because the mean of its divisors is an integer number (1831667292).

Almost surely, 2^13798313687 is an apocalyptic number.

13798313687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13798313687 is a deficient number, since it is larger than the sum of its proper divisors (855024649).

13798313687 is a wasteful number, since it uses less digits than its factorization.

13798313687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408857.

The product of its digits is 4572288, while the sum is 56.

The spelling of 13798313687 in words is "thirteen billion, seven hundred ninety-eight million, three hundred thirteen thousand, six hundred eighty-seven".