12787338871 has 8 divisors (see below), whose sum is σ = 12952966400. Its totient is φ = 12621805560.

The previous prime is 12787338857. The next prime is 12787338877. The reversal of 12787338871 is 17883378721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12787338871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12787338877) 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, 273736 + ... + 317026.

It is an arithmetic number, because the mean of its divisors is an integer number (1619120800).

Almost surely, 2^12787338871 is an apocalyptic number.

12787338871 is a deficient number, since it is larger than the sum of its proper divisors (165627529).

12787338871 is an equidigital number, since it uses as much as digits as its factorization.

12787338871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47109.

The product of its digits is 3161088, while the sum is 55.

The spelling of 12787338871 in words is "twelve billion, seven hundred eighty-seven million, three hundred thirty-eight thousand, eight hundred seventy-one".