13774740487 has 4 divisors (see below), whose sum is σ = 13875286176. Its totient is φ = 13674194800.

The previous prime is 13774740481. The next prime is 13774740493. The reversal of 13774740487 is 78404747731.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13774740481) and next prime (13774740493).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13774740487 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 (13774740481) 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, 50272639 + ... + 50272912.

It is an arithmetic number, because the mean of its divisors is an integer number (3468821544).

Almost surely, 2^13774740487 is an apocalyptic number.

13774740487 is a deficient number, since it is larger than the sum of its proper divisors (100545689).

13774740487 is a wasteful number, since it uses less digits than its factorization.

13774740487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100545688.

The product of its (nonzero) digits is 3687936, while the sum is 52.

The spelling of 13774740487 in words is "thirteen billion, seven hundred seventy-four million, seven hundred forty thousand, four hundred eighty-seven".