13744778007 has 8 divisors (see below), whose sum is σ = 18330444160. Its totient is φ = 9161148600.

The previous prime is 13744777999. The next prime is 13744778017. The reversal of 13744778007 is 70087744731.

It is a happy number.

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

It is not a de Polignac number, because 13744778007 - 2³ = 13744777999 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 (13744778017) 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, 493369 + ... + 520482.

It is an arithmetic number, because the mean of its divisors is an integer number (2291305520).

Almost surely, 2^13744778007 is an apocalyptic number.

13744778007 is a deficient number, since it is larger than the sum of its proper divisors (4585666153).

13744778007 is a wasteful number, since it uses less digits than its factorization.

13744778007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018373.

The product of its (nonzero) digits is 921984, while the sum is 48.

The spelling of 13744778007 in words is "thirteen billion, seven hundred forty-four million, seven hundred seventy-eight thousand, seven".