13427137787 has 8 divisors (see below), whose sum is σ = 15840310272. Its totient is φ = 11137717800.

The previous prime is 13427137771. The next prime is 13427137799. The reversal of 13427137787 is 78773172431.

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 13427137787 - 2⁴ = 13427137771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13427133787) 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, 30937889 + ... + 30938322.

It is an arithmetic number, because the mean of its divisors is an integer number (1980038784).

Almost surely, 2^13427137787 is an apocalyptic number.

13427137787 is a deficient number, since it is larger than the sum of its proper divisors (2413172485).

13427137787 is an equidigital number, since it uses as much as digits as its factorization.

13427137787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61876249.

The product of its digits is 1382976, while the sum is 50.

The spelling of 13427137787 in words is "thirteen billion, four hundred twenty-seven million, one hundred thirty-seven thousand, seven hundred eighty-seven".